FEU High School | General Biology 2: Patterns of Descent with Modification

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What did Darwin coin the phrase 'descent with modification' to describe?

The diverse species documented in the fossil record

The gradual changes from an ancestral type (correct)

The common ancestor shared by all life on Earth

The process of evolution on the Galápagos Islands

What did Darwin think had happened to the finch species on the Galápagos Islands?

They had always been distinct species on the different islands

They had evolved from a single ancestral type of finch (correct)

They had been introduced by humans to the islands

They had descended from multiple ancestral types of finches

How did the finch population on the Galápagos Islands change over time?

They were unaffected by the resources on each island

They gradually branched in several directions, with different groups eating different food (correct)

They remained unchanged, as they were already adapted to the different islands

They became less diverse, as the finches on different islands interbred

What did Darwin also note changes in, besides the finch species on the Galápagos?

The tortoise species on the Galapagos Islands Signup and view all the answers

Where did Darwin get the idea of natural selection from?

From thinking about artificial selection (also called selective breeding) Signup and view all the answers

What is the main concept that the text discusses in relation to Darwin's theory of evolution?

Natural selection Signup and view all the answers

What is evolution defined as?

A genetic change in a population over multiple generations Signup and view all the answers

What does 'descent with modification' mean in the context of evolution?

Individuals descend from a common ancestor and acquire new traits over time Signup and view all the answers

How is evolution detectable in a population?

By examining a population's gene pool and allele frequencies Signup and view all the answers

In the example provided with lions, tigers, and leopards, what does it demonstrate about evolution?

That new species can arise from a single ancestral species Signup and view all the answers

How is an allele's frequency calculated in a population?

By calculating the number of copies of an allele divided by the total number of alleles in the population Signup and view all the answers

What do the terms 'descent' and 'modification' refer to in the context of evolution?

'Descent' implies inheritance and 'modification' refers to changes in traits over generations Signup and view all the answers

What provided Charles Darwin with evidence for evolution?

His voyage to the Galapagos Islands Signup and view all the answers

How long did Darwin's voyage on the HMS Beagle last?

5 years Signup and view all the answers

Which of the following is NOT a pattern of descent with modification?

Species becoming extinct Signup and view all the answers

FEU High School | General Biology 2: Patterns of Descent with Modification

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Questions and Answers

What did Darwin coin the phrase 'descent with modification' to describe?

What did Darwin think had happened to the finch species on the Galápagos Islands?

How did the finch population on the Galápagos Islands change over time?

What did Darwin also note changes in, besides the finch species on the Galápagos?

Where did Darwin get the idea of natural selection from?

What is the main concept that the text discusses in relation to Darwin's theory of evolution?

What is evolution defined as?

What does 'descent with modification' mean in the context of evolution?

How is evolution detectable in a population?

In the example provided with lions, tigers, and leopards, what does it demonstrate about evolution?

How is an allele's frequency calculated in a population?

What do the terms 'descent' and 'modification' refer to in the context of evolution?

What provided Charles Darwin with evidence for evolution?

How long did Darwin's voyage on the HMS Beagle last?

Which of the following is NOT a pattern of descent with modification?

What is the frequency of the 'a' allele in a population of 50 diploid individuals, if there are 8 'a' alleles?

How does evolution occur, according to the text?

What is the mechanism of evolution described in the text?

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