Cyanobacteria, also known as blue-green algae, are a kind of bacteria found in many lakes. These organisms make their own food through photosynthesis. Small animals including mayfly larvae eat the cyanobacteria, and small fish such as yellow perch eat the larvae. The small fish provide food for larger fish, such as walleye.

Describe a model you could use to show the transfer of energy within the lake ecosystem. In your description of your model, make sure you include the position of each organism identified in the paragraph.

Answers

Answer 1
Girly I got you!

One possible model that could be used to show the transfer of energy within the lake ecosystem is a food web. A food web is a model that shows the flow of energy from one organism to another in an ecosystem.

In this food web, cyanobacteria would be at the bottom of the food chain, as they are producers that make their own food through photosynthesis. The mayfly larvae would be next in the food chain, as they eat the cyanobacteria. The small fish, such as yellow perch, would be at the next level of the food chain, as they eat the mayfly larvae. Finally, the larger fish, such as walleye, would be at the top of the food chain, as they eat the small fish.

The food web would be represented by a series of interconnected arrows, with each arrow pointing from the organism being eaten to the organism doing the eating. For example, an arrow would point from the cyanobacteria to the mayfly larvae, indicating that the larvae eat the cyanobacteria. Another arrow would point from the mayfly larvae to the small fish, indicating that the fish eat the larvae. And so on, until the top of the food chain is reached.

Overall, this model would show how energy is transferred from one organism to another in the lake ecosystem, with each organism occupying a specific position in the food chain.
Answer 2

Answer:

the transfer of energy in a lake ecosystem is a food web. In this model, the cyanobacteria are at the bottom and they are eaten by mayfly larvae. which is the larvae and then eaten by small fish like yellow perch, which are in turn eaten by larger fish such as walleye. The food web would be represented by arrows, showing the flow of energy from one organism to another. Each organism has a specific position in the food chain, with producers at the bottom and top predators at the top. This model demonstrates how energy is transferred through different levels .

Explanation:

Cyanobacteria, formerly known as blue-green algae, are photosynthetic microscopic organisms that are technically bacteria. They were originally called blue-green algae because dense growths often turn the water green, blue-green or brownish-green.

Cyanobacteria are aquatic and photosynthetic, that is, they live in the water, and can manufacture their own food. Because they are bacteria, they are quite small and usually unicellular, though they often grow in colonies large enough to see. They have the distinction of being the oldest known fossils, more than 3.5 billion years old, in fact! It may surprise you then to know that the cyanobacteria are still around; they are one of the largest and most important groups of bacteria on earth.


Related Questions

Please help with backside I’m so lost it’s due Friday! I will mark brainliest

Answers

1. Matter cycles through this ecosystem as organisms consume each other and decompose. When organisms die, their bodies decompose, and the nutrients are released back into the soil. These nutrients are then taken up by plants, which are eaten by herbivores. The herbivores are then eaten by carnivores, which eventually die and decompose, releasing the nutrients back into the soil.

2. Energy moves around this ecosystem through a food chain. Producers (plants) use sunlight to produce energy through photosynthesis. This energy is then transferred to herbivores (rabbits), which are eaten by carnivores (hawks). Energy is lost at each level of the food chain through respiration and other metabolic processes, so the amount of energy available at each level decreases.

3. If a disease strikes the snake population, the population of hawks and rabbits would be affected. If the snake population declines, there would be fewer predators to prey on the rabbit population. This would cause the rabbit population to increase, which would lead to an increase in the hawk population as they have more food to eat. However, if the disease is severe and the snake population declines too much, there may be a shortage of food for the hawks, causing their population to decline as well.

4. If the rabbit population suddenly doubled, the effect on the grass would be negative. With more rabbits, there would be more grazing pressure on the grass, leading to overgrazing. Overgrazing can lead to a decrease in grass biomass, which can negatively affect other organisms that rely on grass for food and shelter. Additionally, with less grass available, the rabbit population may eventually decline due to a lack of food. This would cause a chain reaction that could lead to the decline of other organisms in the ecosystem.
I only know 7 and 8

7. So if a disease stroked the snacks population than the effect on hawks would be that they would feed off a different food source, such as the rabbit. The rabbits population would decrease and soon enough the hawk population would decrease because of the competition towards food. This happens because snakes are secondary consumers and hawks feed off both rabbits and the snakes to balance the populations. If one disappears or decreases than the hawks would aim toward the animal that has a bigger population, the rabbit. Making the rabbit population leading towards less food all around.

8. If the rabbit population doubled than the grass would decrease or would die. This would happen because there is to many consumers and the grass can not keep up with how much it is giving out. This would also lead to a decrease to the rabbit population making the population really low or back to normal, depends on how quickly the grass grows.

Earth's atmosphere blocks short wavelengths of the electromagnetic spectrum. Which telescopes DO NOT need to be placed in orbit around Earth to observe short-length radiation?


Question 4 options:

Gamma ray telescopes


Visible light telescopes


Infrared telescopes


Radio telescopes

Answers

Answer: gamma ray telescopes

Explanation: quizlet

Answer:

Visible light telescope need not to be placed to record electromanetic radiation

Electronmagnet ways are not recorded by visible telescopes.

Heredity Lab Report
Instructions: In the Heredity lab, you investigated how hamsters inherit traits from their parents. Record your observations in the lab report below. You will submit your completed report.
________________________________________
Name and Title:
Include your name, instructor's name, date, and name of lab.

Objective(s):
In your own words, what was the purpose of this lab?
To know how the parents fur length affects the offspring.
Hypothesis:
In this section, please include the if/then statements you developed during your lab activity. These statements reflect your predicted outcomes for the experiment.
Test One: If I breed a short fur, FF female with a short fur, Ff male, then I will expect to see short and some long fur offspring.
Test Two: If I breed a short fur, Ff female with a short fur, Ff male, then I will expect to see all short fur offspring.
Test Three: If I breed a long fur, ff female with a long fur, ff male, then I will expect to see all long fur offspring.

Procedure:
The procedures are listed in your virtual lab. You do not need to repeat them here. Please be sure to identify the test variable (independent variable) and the outcome variable (dependent variable) for this investigation.
Remember, the test variable is what is changing in this investigation. The outcome variable is what you are measuring in this investigation.
Test variable (independent variable):
Outcome variable (dependent variable):

Data:
Record the data from each trial in the data chart below. Be sure to fill in the chart completely.
Test One
Parent 1: FF
Parent 2: Ff




Phenotype ratio:
________ : ________
short fur : long fur


Test Two
Parent 1: Ff
Parent 2: Ff




Phenotype ratio:
________ : ________
short fur : long fur


Test Three
Parent 1: ff
Parent 2: ff




Phenotype ratio:
________ : ________
short fur : long fur

Conclusion:
Your conclusion will include a summary of the lab results and an interpretation of the results. Please write in complete sentences.
1. Which genotype(s) and phenotype for fur length are dominant?
2. Which genotype(s) and phenotype for fur length are recessive?
3. If you have a hamster with short fur, what possible genotypes could the hamster have?
4. If you have a hamster with long fur, what possible genotypes could the hamster have?
5. Did your data support your hypotheses? Use evidence to support your answer for each test.
o Test One:
o Test Two:
o Test Three:
6. Which hamsters are the parents of the mystery hamster? Include evidence to prove that they are the correct parents.

Answers

Name and Title: add your name
Objective: the objective is how organisms inherit traits

Hypothesis: if I breed a short fur, Ff female with a short fur, Ff male, then I will expect to see( all short fur offspring

For the rest add what you think it will be
this part Is pretty easy.

Procedure:

Test variable: the parent hamsters and their dominant gene

Outcome variable: the resulting offspring

Test 1

Parent 1: Ff Ff

Parent 2:Ff. Ff

Phenotype ratio:

0 for long fur

4 for short fur



Parent 1: Ff

Test 2

Parent 2: Ff


FF. Ff

Ff. Ff



Phenotype ratio: 1 for long fur and 3 for short fur



Test 3

Parent 1: ff

Parent 2:ff. Ff. Ff
Ff. Ff

Phenotype ratio: 2 for long fur and 2 for short fur


Conclusion:
Before I start please paraphrase this so you can get full credit.

For the first question it’s :

The dominant genotypes are FF & ff and the dominant phenotype is short hair.

For question 2: The genotype is ff and the phenotype for fur length is long hair

For question 3: the hamster could have the genotypes FF & Ff

For question 4: the hamster could have the genotype ff

For question 5:

Test One: yes, because all the hamsters had short hair

Test two: yes, because all except one had long hair

Test three: no, because not all of them had long hair, some had short hair.

For question six:

The Ff and the Ff are the mystery hamsters. The cross has shown that they can make offspring with short hair or long hair

I hope this helps
Let me know if you have any questions










Name and Title: your name, your instructor’s name, May 29, 2023, Heredity Lab Report

Objective(s): The purpose of this lab was to investigate how hamsters inherit traits from their parents.

Hypothesis:
Test One: If I breed a short fur, FF female with a short fur, Ff male, then I will expect to see short and some long fur offspring.
Test Two: If I breed a short fur, Ff female with a short fur, Ff male, then I will expect to see all short fur offspring.
Test Three: If I breed a long fur, ff female with a long fur, ff male, then I will expect to see all long fur offspring.

Procedure: The test variable (independent variable) is the fur length of the parents, and the outcome variable (dependent variable) is the fur length of the offspring.

Data:
Test One
Parent 1: FF
Parent 2: Ff
Phenotype ratio: 2:2 short fur: long fur

Test Two
Parent 1: Ff
Parent 2: Ff
Phenotype ratio: 4:0 short fur: long fur

Test Three
Parent 1: ff
Parent 2: ff
Phenotype ratio: 0:4 short fur: long fur

Conclusion: The results of the lab support the hypothesis that the fur length of the parents affects the fur length of the offspring. The data shows that when both parents have short fur, the offspring will have short fur. When one parent has long fur and the other has short fur, there is a 50/50 chance that the offspring will have long or short fur. When both parents have long fur, the offspring will have long fur.

( you’re going to have to put your name and your instructor’s name at the beginning since I don’t know it. But I hope this helped ! :) )

50 POINTS!!!!!!!! HELP WILL GIVE BRAINLYEST

Myth: Mammals and plants don't belong in the same domain.

Fact: Mammals and plants belong in the same domain.

Evidence: Domain is “the broadest level of organization in the classification system”.


HELP!!!

Answers

It is considered fact because plants and animals are bother considered to belong to the Eukarya domain

Answer: Hey!

Myth: Mammals and plants don't belong in the same domain.

Fact: Mammals and plants do belong in the same domain.

Evidence: Domains classify by its amount of cells and the complexity of its cells.

Let me know if I answered your question incorrectly! <3

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