How did Darwin and Wallace contribute to evolution by natural selection?

Answers

Answer 1

Darwin and Wallace made significant contributions to the theory of evolution by natural selection, which revolutionized our understanding of the natural world and is still one of the most important and influential scientific theories in history.

Charles Darwin and Alfred Russel Wallace are credited with independently discovering the theory of evolution by natural selection, which is one of the most important scientific ideas in the history of biology.

Darwin and Wallace both observed that living organisms change over time, and that some traits are more favorable for survival and reproduction than others. They both realized that these traits can be passed down to offspring, and that over many generations, this can lead to the emergence of new species.

In particular, they both observed that there is a struggle for survival in nature, with more individuals being born than can possibly survive to reproduce. They both saw that individuals with traits that made them more successful in the struggle for survival would have a better chance of passing on those traits to their offspring, while individuals with less favorable traits would be less likely to reproduce.

Darwin and Wallace also understood that there is variation in traits within populations, and that this variation is important for natural selection to work. They realized that some of this variation is heritable, meaning that it can be passed down from one generation to the next, and that the frequency of different traits in a population can change over time depending on the selective pressures that are present.

Both Darwin and Wallace published their ideas on evolution by natural selection in the mid-19th century. Darwin's most famous work on the subject was his book "On the Origin of Species," published in 1859, which provided a comprehensive explanation of the theory of evolution by natural selection and provided evidence for its validity. Wallace also published a paper on the subject in 1858, which he sent to Darwin for review, and which was jointly presented with some of Darwin's work at the Linnean Society of London that same year.

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Related Questions

What was Alfred Thayer Mahan famous for?

Answers

Alfred Thayer Mahan was a United States Navy officer and historian who is best known for his advocacy of sea power as a crucial element in the growth and prosperity of nations.

One of the most significant military strategists of the late 19th and early 20th centuries, he is regarded as such.

The Impact of Sea Power Upon History, Mahan's most well-known book, was released in 1890 and made the case that any country aspiring to become a superpower needed to have a strong navy. Mahan felt that having control of the sea was essential for achieving both economic and political dominance and that a country without a potent navy was destined to be at the mercy of stronger naval forces.

Throughout the late 19th and early 20th centuries, Mahan's theories had a significant impact on international naval policy.

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the jewish religious sect consisting of high-ranking priests and aristocratic laymen was the __________.

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The Jewish religious sect consisting of high-ranking priests and aristocratic laymen was the Sadducees.

Judaism's high priest, or kohen gadol in Hebrew, was the principal religious official in the Temple of Jerusalem.

His special privilege was to enter the Holy of Holies (inner sanctum) on Yom Kippur, the Day of Atonement, once a year to burn incense and sprinkle blood from sacrificial animals to atone for his own sins and the sins of the people of Israel.

The elaborate priestly vestments he usually wore throughout the year whenever he choose to preside at services were not worn on this particular occasion; instead, he wore merely white linen clothing. As the acknowledged political ruler of the country, the high priest was responsible for overseeing the Temple's finances and administration. During the early years of the Second Temple, he also collected taxes and upheld order.

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what is the ideal american identity

Answers

Answer:

It's a collection of ideals that include the rule of law, equality, freedom, hard work, and individualism.

Explanation:

Answer:

There is no single ideal American identity, as the United States is a diverse and complex society with a wide range of cultural, religious, and political beliefs. However, there are certain core values and ideals that are often associated with the American identity, such as:

Freedom: The United States was founded on the principle of individual freedom, and the right to life, liberty, and the pursuit of happiness is enshrined in the Declaration of Independence.Equality: Despite the many forms of discrimination and inequality that have existed throughout American history, the idea of equality is a core value of the American identity. This includes equality under the law, equal opportunity, and the belief that all people are created equal.Democracy: The United States is a representative democracy, and the idea of democratic governance is an important part of the American identity. This includes the right to vote, free and fair elections, and the rule of law.Diversity: America is a nation of immigrants, and the diversity of its people is one of its greatest strengths. The ideal American identity values and celebrates diversity, and recognizes the contributions of all cultures to the nation's history and character.Entrepreneurship: The American identity is often associated with a spirit of innovation and entrepreneurship, where individuals are free to take risks, start businesses, and pursue their dreams.Hard work: The American identity values hard work and the idea that success comes from individual effort and determination.

Overall, the ideal American identity is one that embraces the nation's diversity, values individual freedom and equality, and is committed to the principles of democracy and the rule of law.

what kinds of decisions did the cherokee nation face when european nations—and later the united states—encroached on its homelands?

Answers

Cherokee distrust of both the English grew, and the French established a toehold among the tribe.

Cherokee, a North American Indian tribe of Iroquoian ancestry was one of the most politically integrated tribes during the European colonization of the Americas. Their name comes from a Creek word that means "people of different speech," though many prefer to be called Keetoowah or Tsalagi.

The Cherokee Nation is now part of an overall in the United States, with over 430,000 tribal members worldwide. Or more than 141,000 Cherokee Nation residents reside inside this tribe's reservation bounds in northeastern Oklahoma.

Cherokee vernacular, Cherokee moniker Tsalagi Gawonihisdi, Iroquoian family language spoken by Cherokee (Tsalagi) people initially colonizing Pennsylvania, western Maryland, Carolina, Florida, Georgia, Alabama, Pennsylvania, and Tennessee.

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50 POINTS
How do Cubans live today?

Answers

Answer:

How is it living in Cuba?

If you decide to live in Cuba, you will enjoy the warmth of the people, the happy and vibrant lifestyle, the agreeable climate, and an inviting, intense, and colorful culture. The quality of education and healthcare is considered excellent; however, Cuba is not a particularly technologically advanced nation.

Explanation:

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what do they do with the snakes they catch on serpent invasion?

Answers

In the case of the "Serpent Invasion" in South Florida, trappers who catch Burmese pythons and other invasive snake species play a critical role in controlling their populations and protecting local ecosystems.

The trappers endure a challenging and dangerous job, as they must navigate through the difficult terrain of the Everglades and face the risk of encountering venomous snakes and other hazards. Once the snakes are caught, they are typically euthanized, as they pose a significant threat to native wildlife and can cause serious ecological damage. Some of the snakes may also be used for scientific research or educational purposes. Overall, the work of these trappers is crucial in mitigating the impact of invasive snake species on South Florida's delicate ecosystems.

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What does this mean?
"you must first enable the government to control the governed"

Answers

Both internal and external restrictions on government would not be required if angels were to rule over men. The greatest challenge in creating a government that will be run by men over men is that you must first give the government the ability to rule the governed before forcing it to control itself.

What does Madison claim to be the main governing force?

Undoubtedly, the main check on the government is its reliance on the populace, but experience has taught humanity the importance of auxiliary safeguards.

                                     Madison also touches on the ways in which a republican system of government might act as a check on the influence of groups and the tyranny of the majority.

Why does the government need to be divided?

It is referred to as a branch of government by us (executive, legislative, and judicial).

                               Because it enables the branches of the government to check and balance one another and prevents one branch from becoming overly powerful, it is essential to divide the authority of the government in this exact fashion.

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The leader of the second return of the captive people from Babylon was Nehemiah. True or false?

Answers

Answer:

True

Explanation:

he was staying there

why did america take active role in world affairs hist 1302

Answers

Answer: Americans became interested in an overseas empire in the late 19th ... Some did not want to allow "other races" to become part of the Americans

hope it helps yall guys

Which religious practice is used to teach children that the world is not always as it seems? a) rites of passage b) Kachina Dances c) Ghost Dances

Answers

Option b) Children are taught through kachina dance that things are not always as they seem.

A plea for more rain and more deer is expressed in the Deer Kachina Mana's dance. She typically takes the form of a man and is frequently joined by the Deer Kachina when she manifests. All animals are revered in Hopi culture because it is thought that they offer protection, wisdom, and health. A powerful creature who has control over death, fire, the fields, and the underworld also rules over the earth's surface. Masauwu is the one for whom numerous prayers are offered. The famous Spider Woman, also known as the Ground Goddess, is the mother of the Twin War Gods and the spouse of the Sun.

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The primary attraction for many for becoming a member of Congress is
answer choices
health insurance and retirement benefits.
a salary of over $150,000.
the opportunity to represent people by making important decisions.
the many speaking and employment opportunities available after leaving office.

Answers

The primary attraction for many for becoming a member of Congress is the opportunity to represent people by making important decisions,  the correct option is C.

Members of Congress are responsible for representing their constituents and making important decisions that can impact the lives of millions of people. They have the power to create and pass legislation that can affect issues such as healthcare, education, and the economy.

For many individuals, the ability to make a difference in the lives of others is a significant motivator for running for Congress.  Similarly, while the salary of over $150,000 is certainly attractive, it is not the main reason why people pursue a career in politics, the correct option is C.

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The complete question is:

The primary attraction for many for becoming a member of Congress is

answer choices

A. health insurance and retirement benefits.

B. a salary of over $150,000.

C. the opportunity to represent people by making important decisions.

D. the many speaking and employment opportunities available after leaving office.

4. Colonists began to push closer and closer to what
physical boundary?


Answers

Colonists began to push closer and closer to the physical boundary of the Appalachian Mountains.

Why did the colonists push towards the Appalachians ?

During the colonial period in North America, European colonists pushed westward and began to settle closer and closer to the Appalachian Mountains, which were a significant physical barrier at the time.

However, as the colonists grew in number and needed more land for farming and other purposes, they began to move westward and settle in areas closer to the mountains.

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the act that made tying contracts illegal was the group of answer choices celler-kefauver antimerger act. clayton act. wheeler-lea act. robinson-patman act. federal trade commission act.

Answers

The Celler-Kefauver Act was passed by Congress in 1950 to narrow the gaps that permitted monopolistic vertical or conglomerate mergers.

The Sherman and Clayton Antitrust Acts now include regulatory and enforcement language as a result of the Act. Any merger or purchase that "may be materially to diminish competition, or to tend to create a monopoly" is prohibited by Section 7 of the Clayton Act. The Robinson-Patman Act of 1936 revised the Clayton Act to prohibit some types of discriminatory prices, services, and allowances in business transactions. The Clayton Antitrust Act of 1914 still governs corporate operations in the United States. The act forbids predatory and discriminatory pricing, anti-competitive mergers, and other unethical corporate practices in an effort to improve prior antitrust legislation.

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Who has the most watched halftime show ever?

Answers

Katy Perry has the most-watched halftime show ever.

Katy Perry, born Katheryn Elizabeth Hudson, is an American singer, music producer, and television personality. Vogue dubbed her the "Princess of Camp" because of her influence on contemporary pop songs and her campy style.

She rose to prominence thanks to One of the Boys (2008), a psychedelic rock album that featured her debut childless "I Kissed a Girl" but instead follow-up only one "Hot n Cold," which charted a total count of one and three on the Billboard Hot 100 in the United States, respectively.

Teenage Dream (2010), a disco-influenced pop album, spawned five U.S. count-one singles—"California Gurls," "Teenage Dream," "Firework," "E.T.", and "Last Sunday Night (T.G.I.F.)"—becoming the one and only album by a female singer to achieve that feat. Teenage Dream: The Full Confection is a special edition of the album.

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What were Lincoln's goals leading up to the attack on fort Sumter?

Answers

Answer:

Prior to the attack on Fort Sumter in 1861, Abraham Lincoln's primary goal was to preserve the Union and prevent the southern states from seceding. He wanted to keep the union united under one banner.

Make a connection--what economic struggles did the Obama administration face in 2008/2009?

Answers

Answer: the situation was dire, the economy had lost nearly 3.6 million jobs in 2008 and was shedding jobs at a nearly 800,000 per month rate when he took office, during September 2008, several major financial institutions either collapsed, were forced into mergers, or were bailed-out of the government.

Explanation: hope this helps0^0

When Vatican II convened, it was decided that the sacrament of anointing of the sick should be both a sacrament of healing and a sacrament to prepare those who are dying. (T/F)

Answers

The statement is true as sacrament of anointing of the sick should be both a sacrament of healing and a sacrament to prepare those who are dying

With the exception of those who persist obstinately in obvious grave sin, the anointing of the sick, also known as Extreme Unction, is a Catholic sacrament that is given to Catholics who, having attained the age of reason, begin to be in danger due to disease or old age.

It is not a sacrament for individuals who are solely in imminent danger of death; rather, the start of a serious medical condition, such as a sickness or accident, or simply old age, is sufficient justification for the delivery of viaticum.

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among anti-communists, senator joseph mccarthy was the

Answers

Out of the given choices of alternatives provided above, it is to be ascertained that senator Joseph McCarthy was the one who damaged free speech and fair play the most among anticommunists. Therefore, the option D holds true.

Joseph R. McCarthy was highly recognized for being the Senator of the American army, and also being the representative of his respective state during the serving of his term. He was criticized heavily for misusing the powers of free speech and fair play, which were granted to every American citizen as a constitutional right.

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Complete question

Among anticommunists, Senator Joseph R. McCarthy was the

a) most effective.

b) first Republican.

c) only true World War II hero.

d) one who most damaged free speech and fair play.

e) one who organized a national movement.

How a small county like Vietnam will a war against USA

Answers

Answer:

Foreign support

Explanation:

The North Vietnamese were supplied and supported by China and the Soviet Union. A total of $2 billion was given in aid to the fight against America between 1965-1968. This included 8,000 anti-aircraft guns and 200 anti-aircraft missile sites.

according to contemporary jewish belief, the "heart of the sabbath" for observant jews lies in what?

Answers

At the "Heart Of Sabbath" the Hebrew word for rest is menuchah, or commandment. It means to avoid engaging in any useful action.

Throughout the Jewish calendar, Shabbat, or the Sabbath, is a significant festival. The Sabbath is a Jewish holiday that begins and finishes at dusk. All labor is put on hold every week from Friday's sunset to Saturday's sunset in accordance with the seventh-day rest requirement.

The Jewish Sabbath is a day of rest. Every Friday at sunset until Saturday at sunset is Shabbat. Jewish people commemorate the creation myth from the Torah during Shabbat, in which God created the world in six days and rested on the seventh day.

Jews observe a day of rest on the Sabbath. Shabbat begins every Friday at dusk and ends on Saturday at dusk. Shabbat is a day when Jews remember the creation story from the Torah, according to which God created the world in six days and rested on the seventh.

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the introduction of large stained-glass windows into the walls of churches was made possible by builders’ development of ______

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the introduction of large stained-glass windows into the walls of churches was made possible by builders’ development of ribbed vaults and flying buttresses.

Between 1150 and 1550, stained-glass windows, which are composed of colored and painted glass pieces held together by lead strips, gained popularity throughout Europe. During this time, they were a prominent feature of cathedrals and other churches, as well as of city halls and homes for the aristocracy. Stained glass was particularly well-liked in religious settings because of its translucent qualities, which allowed for large windows depicting biblical and saintly scenes to animate a sacred space with colorful glistening lights and subtly alter the atmosphere with the passing of the seasons and the time of day.

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Did america follow Washingtons suggestion

Answers

George Washington offered many suggestions throughout his career, so it depends on which specific suggestion you are referring to. However, if you are referring to Washington's famous "Farewell Address" in 1796, in which he offered a number of suggestions for the young United States, some were followed and some were not.

What is George Washington well-known for?

George Washington is widely recognized as the first President of the United States. During the American Revolutionary War, he also served as the commander-in-chief of the Continental Army and is sometimes referred to as the "Father of His Country" for his leadership in the early years of the United States. Moreover, Washington was instrumental in the design and ratification of the United States Constitution, which provided the structure for the country's governance and laws. He is largely considered to be one of the most significant characters in American history.

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Question 3(Multiple Choice Worth 5 points)
(03.04 MC)


Three-Fifths Compromise Connecticut Compromise
Major players Southern states vs. Northern states Large states vs. small states
Major issue Equal vote for all vs. population based


Which of these belongs in the empty box?
Electing a president

National power versus states' rights

Enslaved persons used to determine representation

Taxation of exports

Answers

Answer:

national power versus states rights

what were the economic factors that pushed americans to strike after the war?

Answers

Answer:

Price inflation and lack of available jobs

Explanation:

After the war, there was a big price inflation, all of the people who came back from war were competing for jobs, and that led to a lot of strikes against the industries. The Red Scare was when there was a lot of fear among americans that communism would eventually affect most of America.

Which principle of the Enlightenment philosophers is expressed in this quotation from the French Revolution?

Answers

Using a passage from the French Revolution, the Enlightenment philosophers' natural law premise is described.

What is a revolution in geography?

A revolution is a fixed-path rotation of the Earth as it revolves around the Sun. The Earth rotates counterclockwise, that is, from west to east. Around one year, or precisely 365.242 days, pass during one Earth revolution around the Sun.

What was the revolution in history?

Growing hostilities between citizens of British Europe's 13 North American colonies as well as the colonial administration, whose represented the British crown, led to the Revolutionary War (1775–83), often known as the American Revolution.

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You are to write a war diary reflecting on the experiences of a fictitious soldier in World War 1. You are strongly encouraged to write it from the perspective of a British soldier. It does not have to be a day by day account, it can be a number of entries spanning months or years.

Your diary should include the following elements:

Recruitment/why you joined the army
Experiences of training
What life was like in the trench
Your experience of combat

Answers

In addition to the constant threat of shellfire, the trench experience included the terror of muck, slime, and sickness should include in diary.

What is diary?

A diary is a written or visual record that has discrete entries grouped chronologically that describe the events of a day or other time.

Traditionally, diaries were written by hand, although they are increasingly frequently digitized as well.

A personal journal may contain a person's experiences, thoughts, and/or feelings but not commentary on news events that are not directly related to the writer. A diarist is someone who keeps a diary.

Diaries kept for institutional use have a place in government and military records, among other facets of human civilization. The term can also refer to a preprinted journal format in British English.

Currently, the phrase is typically used to refer to private personal journals that are only intended to be shared with close friends.

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One aspect of the compound republic is the division of powers between the _____ and _____ governments.

Answers

One aspect of the compound republic is the Division of Powers between the national and state governments.

Division of Powers on a Geographical Basis is a modern states consider it desirable to divide the powers of government along territorial lines in addition to the distribution of governmental authorities in accordance with the nature of the function to be performed, as detailed in the preceding article.

This technique divides the state's territory into a number of different districts, each of which is tasked with carrying out specific governmental functions within its borders and is given access to a governing body for that reason.

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what was the name of the all-black regiment that helped rebuild after the civil war and fight on the western frontier?

Answers

The all-black unit that fought also on western frontier and assisted in reconstruction following the Civil War was known by the name Buffalo Soldier.

What is war and its causes?

An armed conflict involving between or more sides is referred to as a war. The reasons for war might vary greatly. Imperialism, for instance, was to blame for the conflict between the United States and Spain in 1898. In the 1600s, there was a Thirty Years' War brought on by religious conflicts.

What is the best definition for war?

A struggle involving the use of force, such as between states or between groups within one; combat on land, at sea, or in the air. a situation or time of armed conflict or ongoing combat activities: The two countries were at war.

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Combine these name parts using a hyphen:
Know It All Meany Pants

Answers

The combined name using a hyphen would be "Know-It-All Meany-Pants."

Why are Hyphens added?

Hyphens are commonly used to connect multiple words together to form a single phrase or compound word.

In this case, "Know-It-All" is a compound adjective that describes the person's tendency to think they know everything, and "Meany-Pants" is a compound noun that describes the person as being mean or unpleasant.

By connecting these two phrases with hyphens, we create a single, more descriptive name for the person.

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What is Huckleberry Finn’s response in the opening of this reading to finding that Jim is not at the wigwam?

Answers

Answer:

He is panicking and distraught

Explanation:

The book says, "there warn’t no answer, and nobody come out of the wigwam. Jim was gone! I set up a shout—and then another—and then another one; and run this way and that in the woods, whooping and screeching; but it warn’t no use—old Jim was gone. Then I set down and cried; I couldn’t help it."

Final answer:

Huckleberry Finn is surprised and anxious to find that Jim is not at the wigwam. His immediate search for Jim and his profound concern for his safety underscore their deep bond despite societal prejudices.

Explanation:

In the opening of the reading, Huckleberry Finn is surprised to find that Jim is not at the wigwam. Huck's response to this discovery demonstrates his concern for Jim as his friend. Feeling alarmed and anxious, Huck begins to search for Jim immediately. The absence of Jim shadows a feeling of uneasiness in Huck; despite the prejudice towards slaves he was taught, Huck’s concern for Jim’s safety shows the evolution of their relationship and character growth.

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