Darwin’s Theory of Evolution Unit 8 Outline

Play an AI-generated podcast conversation about this lesson

What did most Europeans in Darwin's day believe about the Earth and species?

That the Earth had been created a few thousand years ago and species did not change over time (correct)

That the Earth was constantly changing and species were created instantly

That the Earth had always existed and species evolved continuously

That the Earth had been created millions of years ago and species changed over time

According to Lamarck, what was one of the evolutionary mechanisms related to organisms striving to improve themselves?

Inheritance of Acquired Traits

Adaptation and Variation

Use and Disuse (correct)

Survival of the Fittest

What was one key concept in Darwin's theory of evolution?

Malthusian economics

Survival of the Fittest (correct)

Frequent catastrophes causing mass extinctions

Constant perfection in species

What is a defining characteristic of homologous body structures?

They have similar origins but different mature forms Signup and view all the answers

What term describes differences within a population that increase its chance of survival?

Inherited variation Signup and view all the answers

Which process of evolution is illustrated by the adaptive radiation of many diverse species from one common ancestor?

Divergent evolution Signup and view all the answers

What is the main mechanism that can explain the diversity of life on Earth?

Theory of Evolution Signup and view all the answers

What did Darwin collect that are the preserved remains of ancient organisms?

Fossils Signup and view all the answers

What did Darwin notice about many plants and animals in their environment?

They were well-suited to their environment Signup and view all the answers

What influenced Darwin the most during his observations?

Galápagos Islands Signup and view all the answers

What did Darwin wonder about animals living on different islands in the Galápagos?

If they were once members of the same species Signup and view all the answers

What is a scientific theory according to the text?

An explanation supported by evidence and testable Signup and view all the answers

What is the term used to describe the number of each allele in a gene pool?

Allele frequencies Signup and view all the answers

Evolution often begins with a ___________ in allele frequency.

Decrease Signup and view all the answers

What does genetic equilibrium refer to?

A stable state of allele frequency Signup and view all the answers

What is a key factor required for genetic equilibrium to occur?

No natural selection Signup and view all the answers

Which term describes the change in allele frequency due to chance events?

Genetic drift Signup and view all the answers

When does directional selection occur?

When the environment favors an extreme phenotype Signup and view all the answers

What type of selection occurs when an environmental change makes it unfavorable to have the medium phenotype?

Disruptive selection Signup and view all the answers

"Peppered" and "black" are examples of what kind of moths?

"Extreme" moths Signup and view all the answers

Darwin’s Theory of Evolution Unit 8 Outline

Podcast Beta

Questions and Answers

What did most Europeans in Darwin's day believe about the Earth and species?

According to Lamarck, what was one of the evolutionary mechanisms related to organisms striving to improve themselves?

What was one key concept in Darwin's theory of evolution?

What is a defining characteristic of homologous body structures?

What term describes differences within a population that increase its chance of survival?

Which process of evolution is illustrated by the adaptive radiation of many diverse species from one common ancestor?

What is the main mechanism that can explain the diversity of life on Earth?

What did Darwin collect that are the preserved remains of ancient organisms?

What did Darwin notice about many plants and animals in their environment?

What influenced Darwin the most during his observations?

What did Darwin wonder about animals living on different islands in the Galápagos?

What is a scientific theory according to the text?

What is the term used to describe the number of each allele in a gene pool?

Evolution often begins with a ___________ in allele frequency.

What does genetic equilibrium refer to?

What is a key factor required for genetic equilibrium to occur?

Which term describes the change in allele frequency due to chance events?

When does directional selection occur?

What type of selection occurs when an environmental change makes it unfavorable to have the medium phenotype?

"Peppered" and "black" are examples of what kind of moths?

More Quizzes Like This

The Evolution Quiz

Charles Darwin

Charles Darwin and the Theory of Evolution

Darwin’s Theory of Evolution Unit 8 Outline

Upgrade to continue