Answer: His Plan with not work to fix that
Explanation: Homeostasis will keep his body temperature constant even in the sauna, so the bacteria (and his normal microbiota and body cells) will not be impacted.
Which of the following is not good direct evidence that the cell-cycle control system is conserved through billions of years of divergent evolution? (EXPLAIN YOUR RATIONAL FOR EACH ONE)
(a) A yeast cell lacking a Cdk function can use the human Cdk to substitute for its missing Cdk during the cell cycle.
(b) The amino acid sequences of cyclins in plants are similar to the amino acid sequences of cyclins in humans.
(c) The Cdk proteins in humans share conserved phosphorylation sites with the Cdk proteins in yeast.
(d) Yeast cells have only one Cdk, whereas humans have many Cdks.
Answer: The statement that is not good direct evidence that the cell-cycle control system is conserved through billions of years of divergent evolution is option (d) - "Yeast cells have only one Cdk, whereas humans have many Cdks."
Explanation:
The cell cycle control system is a highly conserved and regulated process, and the presence of similar proteins across different species is one way to demonstrate its conservation through evolution. The other three options (a, b, and c) all provide evidence of this conservation.
Option (a) indicates that the human Cdk can substitute for a missing yeast Cdk during the cell cycle, which suggests that the two proteins share similar functions and mechanisms.
Option (b) indicates that the amino acid sequences of cyclins in plants and humans are similar, further supporting the conservation of the cell-cycle control system.
Option (c) indicates that the Cdk proteins in humans and yeast share conserved phosphorylation sites, which suggests that they have similar regulatory mechanisms.
In contrast, option (d) implies a difference between yeast and human Cdks, which is not consistent with the idea of conservation. However, it should be noted that the conservation of the cell-cycle control system does not require that all aspects of the system are identical across different species
Which one of the following is NOT true of Interface Carpet?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
It has always been a carpet tile company.
After 1994, it became an eco-conscious, eco-friendly company.
After its founder read a book on business from an environmental perspective, it moved toward more sustainable practices.
It began as a textiles company manufacturing yarn and cloth.
Interface Carpet does not fit the description of a company that has traditionally made carpet tiles.
What steps will you take to lessen Class 9's environmental impact?Buy in bulk, stick to a veggie-based diet, and compost to cut down on packaging waste in the kitchen. By creating your own formulations, purchasing reusable items, and avoiding superfluous products, you can reduce the amount of bathroom product waste you produce.
Which of the following ecosystem services offered by natural ecosystems is regarded as a cultural service to humanity?"Cultural services" refers to the benefits that people receive from ecosystems that are not material in nature. Inspiring aesthetics, cultural identity, a sense of belonging, and spiritual connections to the natural world are a few of them. Usually, the group also takes into account travel and leisure activities.
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5-fluorouracil is a chemotherapeutic agent that is used for the treatment of certain types of cancers. which of the following is a mechanism by which 5-fluorouracil might work?
Answer: preventing the replication of DNA
Explanation: overreplication of cells, or extra cells, causes cancer. Stopping the replication of cells can prevent the cancer from worsening. I’ve also had this question on my homework and got the answer correct.
Identify and construct an explanation of the main disadvantage of growing a potato crop with few variations. What could be an unwanted effect
Growing a potato crop with few variations can lead to genetic homogeneity, which means that all the plants have very similar genetic makeup.
How can lack of genetic diversity affect crops?This lack of genetic diversity can make the crop more susceptible to diseases, pests, and environmental stresses, such as drought or extreme temperatures. If a disease or pest infestation targets the specific genetic makeup of the crop, it can quickly spread and wipe out the entire crop.
In contrast, if there is genetic variation within the crop, some individuals may have genetic traits that make them resistant to the disease or pest, allowing them to survive and reproduce. This genetic diversity helps to maintain the health and resilience of the crop, and increases the likelihood that some individuals will survive and pass on their beneficial traits to future generations.
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A Biology student is investigating DNA replication in peony flowers; which of the
following is a specific and testable question that could guide their research?
A. What is the complementary DNA strand sequence of a peony flower?
B. What is the rate of error in DNA replication?
C. What is the error rate in complementary DNA strand sequences of peony flower
after replication?
D. What is the DNA sequence of a peony flower?
Answer: C. What is the error rate in complementary DNA strand sequences of peony flower after replication?
Explanation: This is a specific and testable question because the student can analyze the DNA sequence of a peony flower before and after replication, and compare the two sequences to determine the error rate in the complementary DNA strands.
Which of the following should be clearly demonstrated on a lateral projection of the leg?
1. Knee joint
2. Ankle joint
3. Entire femoral condyles
Answer:
Explanation:
The entire femoral condyles should be clearly demonstrated on a lateral projection of the leg.
The femoral condyles are the rounded projections at the distal end of the femur, which articulate with the tibia and fibula to form the knee joint. A lateral projection of the leg is taken from the side of the leg, and it should show the entire femoral condyles, as well as the tibial plateau and the fibula. This projection is useful in diagnosing fractures, dislocations, and other injuries to the knee joint.
While the ankle joint is also visible on a lateral projection of the leg, it is not the primary focus of this projection. If necessary, additional views, such as an AP (anteroposterior) or oblique projection, may be taken to better visualize the ankle joint.
can someone answer these 2 questions for me?
Answer:
18 Answer: Hypothalamus, Pituitary and Gonads (Testis and Ovary)
19 Answer:
GnRH (Gonadotropin Releasing Hormone) secreted by hypothalamus
LH (Leutinising Hormone) and FSH (Follicle Stimulating Hormone) secreted by Pituitary Gland
Estrogen (released by ovary) and Testosterone (released by Testis)
Explanation:
GnRh stimulates pituitary gland to release LH and FSH
LH or leutinising hormone facilitates maturity of gonads (testis and ovaries) and production of gametes.
FSH stimulates ovulation and has deep influence no menstrual cycle in female.
azithromycin is an antibiotic that prevents translation in bacteria so that bacteria cannot replicate and the infection will not get worse. which of the following parts of the cell could be specifically affected by this antibiotic?
Ribosome of the cell could be specifically affected by this antibiotic. So, the correct option is B.
What is Azithromycin?Azithromycin is defined as an antibiotic medicine which is used to treat infections that include chest infections such as pneumonia. ear, nose and throat and nose infections such as sinus infections (sinusitis).
Azithromycin is a type of antibiotic that inhibits translation in bacteria so that the bacteria cannot replicate and worsen the infection, this antibiotic can specifically affect the ribosomes of the cell.
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is:
Azithromycin is an antibiotic that prevents translation in bacteria so that bacteria cannot replicate and the infection will not get worse. Which of the following parts of the cell could be specifically affected by this antibiotic?
A: mitochondria
B: ribosome
C: nucleus
D: Golgi complex
Which of the following are ways in which protein lateral mobility can be restricted in the plasma membrane?
[Multiple answers]
A) Proteins can be tethered to the cell cortex inside the cell.
B) Proteins can be tethered to the extracellular matrix molecules outside the cell.
C) Proteins can be tethered to proteins on the surface of another cell.
D) Diffusion barriers can restrict proteins to a particular membrane domain.
E) None of the above
Proteins are attached to the extracellular matrix, the cell cortex, and obstacles such tight junctions.
What four purposes serve the plasma membrane?Identification, communication, control of solute exchange across the membrane, and separation of the nucleus from the surrounding environment are the four primary roles of the plasma membrane.
What is a simple definition of a plasma membrane?The membrane that encloses a cell's organelles and serves as a partition between them and the outside world is referred to as the plasma membrane. Every live cell has a thin membrane called the plasma membrane that surrounds it and isolates it from its surroundings.
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how is nitrogen obtained by animals
Answer:Animals get the nitrogen they need by eating plants or other animals that contain nitrogen.
Explanation: When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water.
infoldings of the prokaryotic plasma membrane are thought to have given rise to the eukaryotic endomembrane system that includes which of the following? multiple choice question.
Infolding of the prokaryotic plasma membrane is thought to have given rise to the eukaryotic endomembrane system that includes the endoplasmic reticulum and nuclear envelope.
How did a prokaryotic cell give rise to the eukaryotic cell?A prokaryotic cell eventually gives rise to the eukaryotic cell through the process of endosymbiosis theory. According to this theory, the first eukaryotic cells evolved from a symbiotic relationship between two or more prokaryotic cells.
The endomembrane system of prokaryotic cells generally includes certain cell organelles like the endoplasmic reticulum, Golgi complex, lysosomes, and vacuoles. These systems are further modified into eukaryotic cells through endosymbiosis mechanisms.
Therefore, the infolding of the prokaryotic plasma membrane is thought to have given rise to the eukaryotic endomembrane system that includes the endoplasmic reticulum and nuclear envelope.
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Work in a small group or alone to complete this exercise. Use your own body (in anatomical position) to identify the following bones and features of the skeleton. Name the specific bone(s) (and feature(s) if possible for each. 1. Your chin 2. The bump behind the bottom of your ear 3. The dip at the bottom midline of your neck between your two collarbones | 4. The tip of your elbow 5. The sides of your elbow 6. The protrusion or bump on the back of your wrist 7. The protrusion or bump on the back of your wrist
Mandible -chin bone. The bump behind the bottom of your ear- mastoid bone. The suprasternal notch, is The dip at the bottom midline of your neck between your two collarbones . The olecranon or “tip of the elbow” is part of the ulna. The sides of your elbow- lateral epicondyles. The protrusion or bump on the back of your wrist- carpel boss.
Describe mandible.
The largest bone in a person's cranium is called the mandible. It helps with chewing, forms the lower jawline, and holds the lower teeth in position. The mandible is subordinate to the maxilla and is made up of a body and ramus. The lower jawline is formed by a part of the body that is horizontally curved.
The upper border of the manubrium of sternum is where the jugular notch (also known as the suprasternal notch or presternal notch) is located. Just behind the ear is where the mastoid bone is situated. An inflammation of the bony air cells in the mastoid bone, which is found directly behind the ear, is known as mastoiditis.
The lateral epicondyle is the lump on the outside of the elbow. The prominence on the outside of the elbow is painful and tender due to the disease known as lateral epicondylitis. A carpal boss, also known as a carpometacarpal boss, is an enlargement of the carpal bones that make up the wrist. A hard lump forms on the wrist's back as a consequence of the overgrowth.
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In a large population of approximately 1 million E. coli , one bacterium gains a mutation that gives it a fitness advantage , with a selective coefficient of . Which of the following statements is FALSE ? s = 0.001 Given the population size , the selective coefficient is large enough to overcome genetic drift . It is possible that the mutation could be lost from the population due to genetic drift . The mutation will likely sweep through the population to fixation if the individual has offspring with the new mutation Ans = 0.001 would not be considered large given that population size .
It is considered "fixed" inside the population that once frequency of a allele reaches 100%, i.e., is the only genetic variant present in either member.
What do you name a gene that is fixed inside the population due to a mutation?December 2020) An allele is considered permanent if it is the only variety of that gene in the population. The entire population is heterozygous for a fixed allele. The term "allele" typically refers with one variant gene from out numerous that could exist for a specific Genomic region.
What impact does population size have on these alleles' time to fixation?The likelihood of fixation increases because individuals with the mutant gene are much more likely to reproduce in a population that is expanding. Since it's more rare and more apt to be established, the allele has a lower risk of being lost.
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which of the following nutrients must be supplied by the foods we eat to support the chemical processes of human physiology?
Proteins, lipids, vitamins & minerals are the foods eat to support the chemical processes of human physiology.
What is human physiology?
The study of how the human body works in both health and sickness is known as human physiology. A degree in human physiology offers good preparation for jobs or graduate school in the health professions, biomedical research, or allied fields.
The study of how organisms carry out their essential activities is known as physiology and comes from the Ancient Greek word phusiologa, which means "natural philosophy."A study of how a muscle contracts or the force that contracting muscles place on the skeleton are two examples.
Several forms of human physiology can be distinguished:
The primary area of human physiology in which we examine cell functioning is called cell physiology. Special physiology is a discipline of physiology where we research the operations of particular organs.To know more about human physiology, check out:
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Oxygen binding is monitored for a solution of hemoglobin. During the experiment, the curve changes from sigmoidal to hyperbolic. Which of the following may be the reason for the change?
A positive allosteric effector was added.
A negative allosteric effector was added.
The protein dissociated into individual subunits.
The protein denatured.
During experiment, curve changes from sigmoidal to hyperbolic, the following may be the reason for the change : The protein dissociated into individual subunits.
How does oxygen bind to the hemoglobin?Hemoglobin molecule has four binding sites for oxygen molecules, iron atoms in the four heme groups and thus, each Hb tetramer can bind four oxygen molecules. From molecular weight of Hb, it is calculated that 1 g of Hb can combine with 1.39 ml of oxygen.
Oxygen is one of the substances transported with assistance of red blood cells and RBC contains a pigment called hemoglobin and each molecule of which binds four oxygen molecules. Oxygen molecules are carried to individual cells in the body tissue where they are then released.
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A cell is placed in a hypertonic solution. Which will most likely occur as homeostasis is maintained in the cell?.
Answer:
shrivel and die
Explanation:
A cell placed into a hypertonic solution will shrivel and die by a process known as plasmolysis. An isotonic solution is any external solution that has the same solute concentration and water concentration compared to body fluids. In an isotonic solution, no net movement of water will take place.
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Answer: hypertonic, hypotonic, isotonic
Explanation:
Answer:
hypertonic hypotonic isotonic
how do hox genes primarily function in multicellular organisms
Answer: Calix's cells have more DNA
Explanation: Mutation is the reason for the more DNA in the Calix's cells.
Which of the following events is considered to be the first evidence of differentiation in the cells of an embryo?
A. cell division occurring after fertilization
B. the occurrence of mRNAs for the production of tissue-specific proteins
C. determination of specific cells for certain functions
D. changes in the size and shape of the cell
Cell division occurring after fertilization is considered to be the first evidence of differentiation in the cells of an embryo.
How does a cell differentiate?
Differentiation is the process by which particular cell types or populations develop distinctive and unique forms and roles. This procedure enables stem cells to separate and create a type of cell that will carry out a particular role.
The sperm and egg combine during fertilization to create the zygote, a single cell that has chromosomes from both the sperm and the egg. To start the process of developing into a human embryo, which will ultimately become a baby, the zygote goes through mitosis.
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We can see here that looking at the movement from point A to point B, we discover that the elevation is: D. Decreasing, then increasing.
What is elevation?Elevation, in geography and cartography, refers to the height of a location or feature above a reference point, which is usually sea level. It is a measure of vertical distance and is often used interchangeably with altitude, which is the height of an object or point above the earth's surface.
We should know that contour lines are lines that connect points of equal elevation. When contour lines are actually closer together, it indicates a steeper slope or an increase in elevation. Conversely, when contour lines are farther apart, it indicates a flatter slope or a decrease in elevation. Thus, that is why the elevation was decreasing and at some points it started increasing.
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He later does another capture exercise at the community garden near the high school. In this area, he captured and marked 40 butterflies. The traps in this location found 100 butterflies where 50 of them had tags. What is the population size of the butterflies at the school? Show work.
Answer:
Explanation:
To estimate the population size of the butterflies at the school, we can use the Lincoln-Petersen index. This index is based on the assumption that the proportion of marked individuals in the second sample is the same as the proportion of marked individuals in the total population.
According to the problem statement, the following information is given:
First capture:
Number of marked butterflies: 30
Total number of butterflies: 100
Second capture:
Number of marked butterflies: 50
Total number of butterflies: 100
Using the Lincoln-Petersen index, we can estimate the population size (N) as follows:
N = (M x n) / m
where M is the number of individuals marked in the first capture, n is the total number of individuals in the second capture, and m is the number of marked individuals in the second capture.
Substituting the values we have:
N = (30 x 100) / 50
N = 60
This means that we estimate the population size of the butterflies at the school to be around 60 individuals. However, this is only an estimate and there could be some sources of error or bias in the sampling method that could affect the accuracy of this estimate.
6) The color that we see when looking at a pigmented object is ________. A) the wavelengths that are absorbed by the pigmented object B) the wavelengths that are reflected or transmitted by the pigmented object C) the wavelengths that have been raised to an excited state by the pigmented object D) the wavelengths that the pigmented object created after interacting with sunlight
The wavelengths that are elevated to an exciton by pigmented item b) are reflected or broadcast by the coloured object when we look at a pigmented item.
Skin pigmentation: what is it?
Your skin's color is referred to as skin pigmentation. It is determined by the quantity and kind of pigment, a pigment produced by developed a method based cells called melanocytes. Pigment disorders including hyperpigmentation (dark spots), post inflammatory hyperpigmentation (light spots), and depigmentation can be brought on by changes in melanin production (white spots or patches).
What characteristics do pigments have?
Pigment. Most substances selectively absorb particular light wavelengths. Humans have typically selected and manufactured materials with unique qualities that make them helpful for coloring other things. A pigment's tinting strength must be strong in comparison to the substances it colors.
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Which of the following is a benefit of using chemical signals rather than electrical signals to send messages to the next neuron?
O Electrical signalsO interneuronO hippocampus
Electrical signals are not strong enough to get through the synaptic cleft. Neurons are too far apart for an electrical signal to travel. The variety of responses produced can be expanded due to the simultaneous release of many neurotransmitters. These are the advantages of using chemical impulses rather than electrical signals.
What are neurotransmitters?Neurons use neurotransmitters to interact with one other and their target tissues during the synaptic transmission process (neurotransmission).
Nerve endings synthesize neurotransmitters, which are then released from them into the synaptic cleft. From there, receptor proteins in the cellular membrane of the target tissue bind to neurotransmitters. The target tissue is stimulated, blocked, or otherwise functionally altered.
Among the more than 40 neurotransmitters found in the human neurological system, acetylcholine, norepinephrine, dopamine, gamma-aminobutyric acid (GABA), glutamate, serotonin, and histamine are some of the most significant.
What is synaptic cleft?The synapse contains a space called the synaptic cleft. It is a component of the neural network. It refers to the region where neurotransmitters move back and forth between neurons. The synaptic cleft, which is a component of the neural pathway, aids in facilitating communication between the brain and nervous system.
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Depressants are drugs that?
Answer:
Depressants are drugs that slow down the central nervous system, leading to reduced brain activity, decreased heart rate, and relaxed muscles.
Explanation:
Place each label in the appropriate box to distinguish intramembranous ossification from endochondral ossification.
Epiphyseal plates Parietal bones Occipital bone Phalanges Compact-spongy-compact "sandwich" Ossification of hyaline cartilage Femur Bony collar formation Bones form between sheetlike layers of connective tissues
Intramembranous Ossification Endochondral Ossification
________________________ _____________________
Intramembranous Ossification:
Bones form between sheetlike layers of connective tissuesParietal bonesOccipital boneOssification of hyaline cartilageEndochondral Ossification:
Epiphyseal platesPhalangesCompact-spongy-compact "sandwich"FemurBony collar formationWhat are intramembranous ossification and endochondral ossification?Intramembranous ossification is the process by which bone is formed from fibrous membranes.
The process of developing bone from hyaline cartilage is called endochondral ossification.
Chondrocytes divide and secrete hyaline cartilage, which lengthens long bones. Osteoblasts switch out cartilage for bone.
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GIVING BRAINLIEST TO FASTEST CORRECT ANSWER (TIMED)
Two communities have a contamination area of 576 square meters and are given methods A, B, and C to clean up
the contamination area. Community 1 is a smaller community and therefore has less resources such as monies
available for the clean-up. Community 2 has more resources but more endangered species of plants and animals in
the contamination area. The longer the contamination is present the more harm there is to the environment including
living things. There are a variety of methods for cleaning up contamination in bodies of water and soil. Look at the
data table below and pick the best method for each community.
1. Using table 1, state which method would be best for community 1 and 2 at 10°C. Justify your answer.
Community 1:
Community 2:
2. Using table 1, state which method would be best for community 1 and 2 at 20°C. Justify your answer.
Community 1:
Community 2:
3. Using table 2, state which method and at what concentration would be best for community 1 and 2. Justify
your answer.
Community 1:
Community 2:
A. Considering table 1, the following procedure would work the best for communities 1 and 2 at 10°C:
Community 1: Method A because it is significantly less expensive than Method B and removes pollution more quickly than Method C.
Community 2: Method B because it preserves the lives of the local endangered species and removes contaminants more quickly than the other ways.
B. The approach that would work best for communities 1 and 2 at 20°C using table 1 is:
Community 1: Method C since it is less expensive and removes pollution more quickly.
Community 2: Process A since it removes pollution the fastest of the available options.
C. For communities 1 and 2, the technique and concentration that would work best are:
Community 1: Using Method A at 100 ppm is less expensive and less harmful to the environment.
Community 2: Compared to the other techniques, Method B at 200 ppm cleans up the contamination the fastest and with the least amount of environmental harm.
What are the main contaminants in the environment?Polyaromatic hydrocarbons, heavy metals, pesticides, organic solvents, inorganic solvents, and other pollutants are among the most prevalent environmental contaminants. Accidental discharge of these toxins into the environment causes the emergence of new diseases that affect human health as well as population deaths in large numbers.
Radon and biological agents such as molds, certain infectious agents such as bacteria or viruses, and dust mites also contaminate the environment.
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The genes that code for specific are part of an organism's , the sum of all of its genetic information.
The genes that code for specific are part of an organism's, the sum of all of its genetic information is called genome.
Genes are the basic factors of heredity. They are inherited from one generation to another and that is how each organism receives its characteristics and phenotype. The gene is a part of the DNA strand which is composed of a pair of alleles.
Genome is the entire genetic material of any organism. For example, the human genome comprises of 23 pairs or 46 individual chromosomes. The information of the genome is responsible for an organism to be functional.
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What is the name of bacteria that inter the cell ??
which two options are examples of making inferences from scientific observations?
The options that are examples are:
A. Predicting when it will rain based on satellite images of the atmosphere
D. Describing the diet of a dinosaur based on the study of its fossilized droppings
What is a scientific observation?A scientific observation is a record or description of a natural phenomenon or event that is made using the five senses or scientific instruments. It is an objective and systematic approach to gathering data or information about the world around us.
Scientific observations are important because they form the basis for scientific inquiry, allowing scientists to collect data, generate hypotheses, and test theories. They can be qualitative (descriptive) or quantitative (measurable), and they can be made in controlled laboratory settings or in the natural environment.
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FILL IN THE BLANK. Wetlands provide a multitude of ecological, economic, and social benefits. They provide habitat for many organisms and are nurseries for many saltwater and freshwater fishes and shellfish. Wetlands also hold and slowly release floodwater and snow melt, recharge groundwater, act as cleansing filters, recycle nutrients, and provide recreation. As of 2000, the contiguous United States was estimated to have about 105 million acres of wetlands remaining. Over the past 60 years, it has lost over 16 million acres of wetlands, and the loss continues at about 58,000 acres annually. Nearly one-third of the loss is due to urban development, with the rest being nearly equally divided between rural development, agriculture, and silviculture (predominantly logging). The southeastern United States is experiencing the greatest losses. The Emergency Wetlands Resources Act of 1986 requires the Fish and Wildlife Service to conduct status and trend studies of the nation's wetlands and to report the results to Congress each decade. The overall goal is to have no more net loss of wetlands. In the past 5 years, money for flood control projects in Louisiana has been cut dramatically. During that time, two simulations, one of a category 4 hurricane and one of a category 5 hurricane, indicated catastrophic damage and loss of life along the Gulf Coast. The levees were predicted to break, and massive flooding to occur, in part due to the loss of the sheltering wetlands.
Wetlands in the United States ________.
-have increased due to natural causes, such as floods and hurricanes
-have decreased due to human development
-have stayed about the same over the past 40 years
-have decreased due to natural causes, such as floods and hurricanes
-have increased due to human development
Wetlands in the United States have decreased due to human development.
What are wetlands?Wetlands is a distinct ecosystem that is flooded / saturated by water, permanently or seasonally. Flooding results in the oxygen-free processes prevailing, especially in soils.
Over the past decades, wetlands have been drained and filled in to make way for agriculture, urbanization and other types of development. This has led to significant loss of wetland habitat and ecosystem services they provide like flood control, water filtration, and wildlife habitat. Despite efforts to protect and restore wetlands, overall extent continues to decline in many parts of country.
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