How did peter and rosemary grant show that the beak size of finches on the island of daphne major is affected by natural selection?

Answers

Answer 1

Peter and Rosemary Grant conducted a long-term study on the finches on the island of Daphne Major in the Galápagos.

They observed that the beak size of the finches was influenced by natural selection. The Grants found that during drought years, the availability of large, hard seeds decreased, forcing the finches to rely on smaller, softer seeds. This change in food availability put pressure on the finches with larger beaks, as they were less efficient at cracking the smaller seeds. As a result, the finches with smaller beaks had a higher survival rate and were more likely to reproduce, passing on their smaller beak traits to the next generation. Over time, this led to a shift in the average beak size of the population.
The Grants were able to demonstrate this through their meticulous field observations, which included measuring the beak sizes of the finches, tracking their survival rates, and monitoring their breeding success. Through their study, they provided clear evidence that natural selection acts on beak size in response to changes in food availability, highlighting the adaptive nature of the finches and the role of natural selection in shaping their characteristics.

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Related Questions

What were two outcomes of the treaty of versaillies

Answers

The treaty forced Germany to surrender colonies in Africa, Asia and the Pacific; cede territory to other nations like France and Poland; reduce the size of its military; pay war reparations to the Allied countries; and accept guilt for the war.

Which country used the scorched earth policy?

Answers

Answer:

When Germany attacked the Soviet Union in June 1941, a lot of district governments took the first step to begin a partial scorched-earth policy to deny the invaders access to electrical, telecommunications, rail, and industrial resources.

Explanation:

Germany

explain russias pattern of cyber attack metion the exploit methods
and vulnerablities

Answers

Amid rising concerns about cybersecurity, Russia has been consistently associated with a pattern of cyber attacks. These attacks involve the utilization of various exploit methods and targeting vulnerabilities to gain unauthorized access and disrupt targeted systems.

Russia's cyber attack pattern encompasses sophisticated exploit methods and vulnerabilities. They employ tactics like spear-phishing, leveraging deceptive emails to trick individuals or organizations into revealing sensitive information. Additionally, they utilize advanced malware strains, such as APT28 and APT29, capable of infiltrating networks and conducting espionage. Russia's targets often include government entities, critical infrastructure, and political organizations. They exploit both software weaknesses and human factors, using social engineering techniques to manipulate individuals for unauthorized access.

In conclusion, Russia's cyber attack pattern reveals a calculated approach that combines exploit methods and vulnerabilities. By employing spear-phishing, and malware, and exploiting software weaknesses, they target various sectors to gain unauthorized access and disrupt systems. Heightened cybersecurity measures and ongoing vigilance are necessary to mitigate the risks posed by Russia's cyber attacks.

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16. Which of the following statements most accurately describe the opinion of
Anti-Federalism

A. A national government needs the power to tax

B. The country needs a national currency to reach its economic potential

C. Without a Bill of Rights, the national government will become a tyranny

D. Democracy will only work in a large republic

Answers

Answer:

\(\boxed {\boxed {\sf C. \ Without \ a \ Bill \ of \ Rights, \ the \ national \ government \ will \ become \ a \ tyranny}}\)

Explanation:

The Anti-Federalists were opposed to strong government. They were mainly "ordinary citizens" and farmers. Some key members were Thomas Jefferson and Patrick Henry.

Their core beliefs included:

A strict Constitutional interpretation A general fear of one centralized government. They championed state governments and a small republic.Opposition of the Constitution (they wanted to preserve the Articles of Confederation, because they aligned with Anti-Federalist beliefs) A Bill of Rights to protect the people's individual freedoms that could be threatened by strong governmental influence

So, based on the Anti-Federalist beliefs, they would not want to give the national government more power through taxation (choice A) or a national currency (choice B).

They also would despise a large republic (choice D).  as they favored smaller government.

However, they did fight for a Bill of Rights, hoping it could protect the people from a too-powerful government. Choice C is correct.


What was the Treaty of Versailles? Who was invited to the peace talks to
create it, and who wasn't? What effect did the Treaty have on the losing
nations? In your opinion, was the Treaty of Versailles fair? Why or why
not?

What was the Treaty of Versailles? Who was invited to the peace talks tocreate it, and who wasn't? What

Answers

The Treaty of Versailles was signed June 1919 at the Palace of Versailles in Paris. This Treaty codified peace between victorious allies and Germany. The Treaty of Versailles help Germany responsible for stating the war and imposed harsh penalties in terms of loss of territory, massive reparations payments and demilitarization.

HELLP HELP PLEASEEEEEEEE PLEASEEEEEEEEEEE

2. Rick bought 3 shirts for $18 each, 2 pairs of socks for $3.50 a pair, and a pair of slacks for$45.00. The sales tax rate is 8.5%.*

2. Part A: Write an equation to determine the total amount he pays for the items including tax. Use "t" for the total amount. *

2. Part B: How much did he pay in total including tax? Use your equation in Part A. *

2. Part C: How much was the total tax? *

Answers

Answer:

PART A:       t = +8.5%($18.00 + $3.50 + $45.00)

PART B:       t = $72.50

PART C:       total tax = $6.00

Explanation:

5. What was the one economic motive behind nineteenth-century colonization?
O A. The ideas of Social Darwinism
O B. Acquisition of raw materials
O C. The adoption of Enlightenment ideals
O D. The growth of slavery
a
Mark for review (Will be highlighted on the review page)

Answers

Answer:

it have to be letter d

Explanation:

raw materials was the economic motive behind the nineteenth century colonization

Answer:

A

Explanation:

Who grew up in a slaveholding family and became against slavery as they grew up?.

Answers

Answer:

The Grimke Sisters

Explanation:

The Grimké sisters grew up in a slaveholding family it became strong opponents of slavery.

between 1820 and 1914, more than __________ miles of railroad were laid in the united states.

Answers

250,000 miles of railroad were laid between that time. Hope this helps.

Between 1820 and 1914, more than 200,000 miles of railroad were laid in the United States.

Between 1820 and 1914, the United States experienced a significant expansion of its railroad network, with over 200,000 miles of track being laid during this time period.

This expansion was driven by a variety of factors, including the desire to improve transportation of goods and people across the country, as well as the need to connect remote areas with more populated regions.

One of the main drivers of railroad expansion was the growth of the American economy during this time period. As the country's population and economy expanded, there was a growing need for faster and more efficient transportation of goods and people.

The railroad provided a much faster and more reliable means of transportation than previous methods, such as wagons and canals, and allowed for the movement of larger quantities of goods over longer distances.

Another important factor in the expansion of the railroad was the government's support for the industry. Beginning in the mid-19th century, the federal government provided generous subsidies to railroad companies, including land grants and loans, to help finance the construction of new railroads.

This support was motivated by a desire to promote economic development and territorial expansion, and it helped fuel the rapid expansion of the railroad network during this time period.

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What were the differences and similarities between the societies and economies of the southern, middle, and New England colonies

Answers

There were several differences and similarities between the societies and economies of the southern, middle, and New England colonies. The Southern Colonies were based on the plantation system.

The soil was rich in nutrients, the climate was warm, and there was a plentiful water supply, which made it ideal for the cultivation of crops, particularly tobacco, rice, and indigo. Large plantations required a significant labor force, and so many plantations relied on slave labor. The Middle Colonies were a mixture of both New England and Southern Colonies, with the land consisting of both small and large farms.

Agriculture was the primary industry, with grains, wheat, and corn being the primary crops. The Middle Colonies also had a significant population of skilled craftsmen and artisans, such as blacksmiths, cobblers, and silversmiths. The New England Colonies, on the other hand, were known for their rocky soil, cold climate, and short growing season, which made it difficult to grow crops.

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which society was the settlement periodic than complete nomadic?

Answers

Nomadism, way of life of peoples who do not live continually in the same place but move cyclically or periodically. Nomadic hunters and gatherers are usually organized into small, isolated bands that move through a delimited territory where they know the water holes, the location of plants, and the habits of game.

Explain one of the statements made by a high school students at Cornell Medical School in Qatar.

Answers

Cornell university, one of the world's most important facilities of gaining knowledge of and research, has dedicated its scientific university in the coronary heart of New York city to the highest principles of liberal schooling, lively inquiry, collaborative mastering, and character initiative.

Weill Cornell Medicine - Qatar (WCM-Q) become set up in 2001 as a partnership between Cornell University and Qatar foundation. It is part of Cornell college, the primary American organization to provide its MD diploma foreign places.

Cornell college (Weill) is ranked No. 14 (tie) in first-rate clinical faculties: studies and No. 45 (tie) in nice scientific schools: number one Care. Schools are ranked in step with their performance throughout a hard and fast of broadly usual indicators of excellence.

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Background information: This is a sample excerpt from a business news article. Think about what the excerpt has to say about the role of regulation. What primary role of regulatory agencies is the article excerpt referring to? Check all that apply. To promote competition to protect consumers to ensure product safety to maintain public health standards to increase food industry subsidies.

Answers

The primary role of regulatory agencies according to the article excerpt includes protection of consumers, ensuring product safety and to maintain public health standards.

A regulatory agencies refers to an independent governmental body which is established by the legislature to enforce specific laws.

The primary role of regulatory agencies according to the article excerpt includes:

to protect consumersto ensure product safety to maintain public health standards

Therefore, the Option B, C and D is correct.

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Answer:

B C D

Explanation:

edge 2022

Please explain document One and two in your own words

Please explain document One and two in your own words
Please explain document One and two in your own words

Answers

This document mentions that during the time of World War II,when American sons were being sent off to fight in Europe and the Pacific.

Based on the document, one way in which the American Japanese concentration camps were misrepresented and underreported is through the portrayal of the camps as resorts or "pioneer communities." The document mentions that during the time of World War II, when American sons were being sent off to fight in Europe and the Pacific, the evacuation and incarceration of American Japanese were often treated as a vacation trip to the country. This portrayal downplayed the harsh reality of the camps, where men, women, and children were locked up for the duration of the war under military guard. By referring to them as resorts or pioneer communities, the true nature of the camps as places of confinement and deprivation was obscured, and the suffering endured by Japanese Americans was minimized or ignored. This misrepresentation and underreporting contribute to the dangers of history repeating itself, as the significance and impact of this dark chapter in American history are downplayed or forgotten.

The government's intended effect of interning people of Japanese ancestry during WWII, as stated in the Supreme Court ruling in Korematsu v. United States, was to ensure national security and protect against potential threats posed by the Japanese Empire. The government argued that the military urgency of the situation demanded security measures, and they believed that a potential invasion of the West Coast by the Japanese Empire was a valid concern. By segregating and interning citizens of Japanese ancestry, the government aimed to prevent espionage, sabotage, or any disloyal actions that might compromise national security. They justified their actions by pointing to evidence of disloyalty on the part of some individuals and the need for swift action due to limited time. The Supreme Court, in upholding the internment, concluded that, at that time, the actions taken by the government were justified given the circumstances of war.

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The value of the next best alternative foregone

Answers

Opportunity cost is the value of the next best alternative forgone as a result of making a decision.

What are weakness of factory owner in Industrial Revolution???

Answers

What was the Industrial Revolution?

The Industrial Revolution was a period of time in the late 18th and early 19th centuries when new technologies and ideas led to a period of industrialization and economic growth. This growth led to new social and economic changes, including the rise of the middle class and the development of new urban areas. The Industrial Revolution had a profound impact on the world and continues to shape the world economy and society today.

What are the weakness of factory owner in Industrial Revolution?

There are several weaknesses of factory owners during the Industrial Revolution. Firstly, they often employed children and paid them very low wages. This meant that they could not afford to buy the finest quality materials or hire the most skilled workers. Secondly, they were typically located in remote areas, which made it difficult for workers to get to and from the factories. Finally, they are frequently located in areas with poor environmental conditions, which led to poor working conditions and health problems for workers.

_____________________________________________

Let me know if there are any questions regarding my answer.

Congress has the ___ to declare the punishment of treason.

a. inability

b. power

c. right

d. chance

e. voice

Answers

Answer:

right

c

Explanation:

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Answer:

c

Explanation:

Congress has the RIGHT to declare the punishment of treason.

HOW DO I DO THIS CAN SOMEONE HELPPPP MEEEE PLEASE I NEED HELP

HOW DO I DO THIS CAN SOMEONE HELPPPP MEEEE PLEASE I NEED HELP

Answers

Note that Mia had a profit of $200. This is calculated by removing total expenses from Total revenue.

What is the justification for the above result?

Note that Total Expenses in this case is given as all Fixed Expenses  + All Variable Expenses.

Total Fixed Expenses         = $9,000

Total Variable Expenses      = $ 300

Total Expenses                    = $9,300

Thus, Profit = Total Revenue - Total Expenses

Which is:

= 9500 - 9300

= $200

Thus, it is correct to state that Mia made a profit of $200 for the month.

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During the 1800s, an important pull factor for immigrants to the United States was
religion persecution.
freedom of speech.
industrial jobs.
agricultural jobs.

Answers

Answer:

d

Explanation:

Answer: D) gricultural jobs.

Explanation:

Edg 2023

which nation suffered the most losses in WWII?

a,USA
b,Germany
c,uk
d,USSR​

Answers

Answer: Your answer is D. USSR or also called Soviet Union.

Hope this helps!

according to Akosua Perbi, how did the Atlantic slaving system affect how people lived

Answers

The Atlantic slaving system had profound and devastating effects on various aspects of people's lives:

1. Enslaved Africans: Millions of Africans were captured, transported, and enslaved during the Atlantic slave trade. They endured extreme physical and psychological hardships, including brutal labor, dehumanization, separation from families, cultural erasure, and loss of freedom. Slavery subjected them to a lifetime of exploitation, violence, and denial of basic human rights.

2. African Societies: The slave trade disrupted African societies, causing population imbalances, loss of skilled individuals, and internal conflicts as rival groups competed for captives to trade with European slavers. The raiding and kidnapping associated with the slave trade destabilized regions, hindered economic development, and disrupted social structures.

3. European Slave Traders and Slaveholders: The slave trade brought immense wealth and economic prosperity to European nations and enriched slaveholders in the Americas. It fueled the growth of plantation economies and industries dependent on enslaved labor. Slaveholders had enormous power and control over enslaved individuals, shaping the social, economic, and political structures of colonial societies.

4. Indigenous Peoples: The expansion of the slave trade and European colonization often resulted in the displacement, marginalization, and exploitation of indigenous populations. Native peoples were subjected to violence, land dispossession, forced labor, and cultural suppression as European powers sought to establish dominance in the Americas.

Overall, the Atlantic slave system had far-reaching and deeply negative consequences, affecting the lives of enslaved Africans, African societies, European slave traders, slaveholders, and indigenous peoples. The legacy of this system continues to impact contemporary societies, including issues related to systemic racism, social inequality, and historical injustices.

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Which of these ideas did you include in your response? Select all that apply

Muhammad did not name a successor.
A dispute over succession occurred.
Shi’as believed that only someone close to Muhammad could lead Islam.
Sunnis believed that the leader of Islam should come from the larger community.

Answers

Muhammad did not name a successor. Also, Sunnis believed that the leader of Islam should come from the larger community.

85–90% of Muslims worldwide belong to the largest branch of Islam, known as Sunni Islam. Its name is derived from the Arabic term sunnah, which alludes to Muhammad's customs. The divisions between Sunni and Shia Muslims began with a dispute about Muhammad's successor and later expanded to include theological, legal, and political implications.

Sunni traditions hold that Muhammad did not leave a successor, and those present at the Saqifah ceremony designated Abu Bakr as the next in line. The Shia perspective, in contrast, asserts that Ali ibn Abi Talib, Muhammad's son-in-law and cousin, was chosen as his successor.

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It is only after ordering and picking up her new desk that Danielle realizes the desk is too big for her office. This is an example of a failure in which​ step?

Answers

The given statement "It is only after ordering and picking up her new desk that Danielle realizes the desk is too big for her office" is an example of failure in Step 7. The correct option is E.

A management can make accurate judgements in a situation of certainty when all possible outcomes are understood. A management can gauge the possibility of specific outcomes in a risk situation. When members of a decision-making group are dispersed geographically, they can still employ the Delphi procedure to reach a consensus.

Determining a decision, acquiring data, and weighing potential solutions are all steps in the decision-making process. You can make more careful, intelligent decisions by organising pertinent information and outlining alternatives by following a step-by-step decision-making process.

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The question is-

It is only after ordering and picking up her new desk that Danielle realizes the desk is too big for her office. This is an example of a failure in which​ step?

A. Step 4

B. Step 5

C. Step 3

D. Step 1

E. Step 7

Why did Japan seek to expand beyond China?

Answers

Answer:

Japan had few natural resources, including oil, so the country wanted to expand to get access to oil and other resources. As the map of China shows, China had oil and other natural resources. ... The Japanese justified their imperialism as preventing the imperialist aims of Soviet Russia

Explanation:

why did conquering constantinople strengthen the ottoman empire

Answers

Answer:

It gave the Ottomans a trading center and a governmental and cultural capital.

The conquering constantinople strengthen the ottoman empire because  It gave the Ottomans a trading center and governmental and cultural capital. Thus the correct option is C.

What are the characteristics of the ottoman empire?

The Ottoman Empire was renowned for its contributions to the humanities, sciences, and health care. It was a vast, culturally and religiously diverse kingdom, the Ottoman Empire was structured into a very complex social system.

One of Eastern Europe's largest and most significant cities was Constantinople. This city was a cultural center, had an impressive influence, and was also quite appealing to the world.

Ottomans are a commercial hub, and also consider a political superpower, and a center of culture due to their enormous resources, which enable them to pursue economic expansion and progress.

Therefore, option C is appropriate.

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The complete question is

Why did conquering Constantinople strengthen the Ottoman empire?

A. It helped in overcoming the Safavids.

B. It allowed expansion into Africa

C. It gave the Ottomans a trading center and a governmental and cultural capital

D. It prevented the rise of Portuguese and European navies

For a quarter century after the War of 1812, only a few Americans explored the West. Then, in the 1840s, expansion fever gripped the country. Many Americans began to believe that their movement westward was predestined by God. The phrase "manifest destiny" expressed the belief that the United States was ordained to expand to the Pacific Ocean and into Mexican and Native American territory. Many Americans also believed that this destiny was manifest, or obvious and inevitable.

Based on the source why did the United States take over new territories in the 1840’s

Answers

In the 1840s, expansion fever gripped the United States as many Americans began to believe that their movement westward was predestined by God. They believed that the United States was ordained to expand to the Pacific Ocean and into Mexican and Native American territory.

Manifest destiny is a phrase that expressed the belief that the United States was ordained to expand to the Pacific Ocean and into Mexican and Native American territory. The belief was that this destiny was manifest, obvious, and inevitable.  In the 1840s, the United States started taking over new territories because they believed it was their destiny to expand westward. It was a fundamental part of their national identity, which was based on the notion of American exceptionalism.

In addition, the country was rapidly expanding, and there was a need for new land to support the growing population. There were several reasons for the United States to take over new territories in the 1840s. One reason was to extend its economic and political influence beyond its borders. The United States was an emerging economic power, and it was essential to ensure that its interests were protected. By taking over new territories, the country could gain access to new markets and resources.

Another reason was to spread democracy and American values to new territories. The United States was seen as a beacon of freedom and democracy, and many Americans believed that it was their duty to spread these values to other parts of the world. By taking over new territories, they could promote democracy and American values to the rest of the world.

Overall, the expansion of the United States in the 1840s was driven by the belief in manifest destiny, the need for new land, and the desire to extend American influence beyond its borders. It was an essential period in the history of the United States, as it helped shape the country's identity and its role in the world.

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What led to a sharp decline in the commission of public works in Europe during the fourteenth century?

A. The protestant reformation
B. The fall of the holy Roman empire
C. The conquest of a Iberia by Islamic forces
D.Labor shortages caused by the black death

Answers

D: Labor shortages caused by the black death (plague)

Labor Shortages caused by the Black death.

Black Death

The Black Death was a devastating global epidemic of bubonic plague that struck Europe and Asia in the mid-1300s.

The plague arrived in Europe in October 1347, when 12 ships from the Black Sea docked at the Sicilian port of Messina.

Black Death affected social and economical sector of Europe the most. As people died, it became harder and harder to find people to plow fields, harvest crops, and produce other goods and services. Peasants began to demand higher wages.

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how did the outcome of the spanish-american war change the role of the us in international affairs? a. weary from a long war, the united states returned to a policy of isolation and focused on domestic industrial growth. b. after acquiring new territory, the united states adopted more imperialistic policies and exerts greater influence in the world. c. in order to have a greater influence on world affairs, the us joined an international peace organization. d. as part of a plan to continue territorial expansion of states, the united states invaded latin american countries with weaker governments.

Answers

The correct answer is B. After acquiring new territory, the United States adopted more imperialistic policies and exerted greater influence in the world.

The Spanish-American War marked a turning point for the US in international affairs. With the acquisition of Puerto Rico, Guam, and the Philippines, the US became a colonial power, expanding its influence beyond its borders.

This led to a shift towards more interventionist and imperialistic policies, such as the Open Door Policy in China and the Roosevelt Corollary to the Monroe Doctrine. The US began to see itself as a global superpower, with a duty to spread American values and influence around the world.

This new role would have significant implications for US foreign policy in the decades to come.

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Which statement best describes the first half of Mary "Mother" Jones′ life?
A: She was an orphan who lived on the streets and struggled to find food.
B: Mother Jones adopted five children after their parents were sent to jail.
C: She lived through tremendous heartache due to numerous deaths in her family.
D: Mother Jones got her nickname because she fostered hundreds of cats and dogs.

Answers

She lived through tremendous heartache due to numerous deaths in her family, best describes the first half of Mary "Mother" Jones′ life.

Who was Mary Mother Jones and what did she do?

The creation of Mother Jones may have been Mary Jones' greatest success. During the first two decades of the 20th century, Mary Harris "Mother" Jones gained notoriety as a fiery speaker and fierce organizer for the Mine Workers.

Mother Jones had a powerful voice. She campaigned for child labor regulations as a labor activist. Her enthusiasm and energy propelled men half her age into action and moved their wives and daughters to join the fight. Mary Harris Jones endured a great deal of misfortune, such as starvation, diseases, fire, and poverty, yet she only grew stronger and more self-reliant.

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explain effect of land enclosure movement on peasant farmers in britain?{10 mks}please help gys

Answers

Answer:

fence off their lands

Explanation:

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