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Questions and Answers
What did Darwin coin the phrase 'descent with modification' to describe?
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?
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?
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?
What did Darwin also note changes in, besides the finch species on the Galápagos?
Where did Darwin get the idea of natural selection from?
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 the main concept that the text discusses in relation to Darwin's theory of evolution?
What is evolution defined as?
What is evolution defined as?
What does 'descent with modification' mean in the context of evolution?
What does 'descent with modification' mean in the context of evolution?
How is evolution detectable in a population?
How is evolution detectable in a population?
In the example provided with lions, tigers, and leopards, what does it demonstrate about evolution?
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?
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 do the terms 'descent' and 'modification' refer to in the context of evolution?
What provided Charles Darwin with evidence for evolution?
What provided Charles Darwin with evidence for evolution?
How long did Darwin's voyage on the HMS Beagle last?
How long did Darwin's voyage on the HMS Beagle last?
Which of the following is NOT a pattern of descent with modification?
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?
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?
How does evolution occur, according to the text?
What is the mechanism of evolution described in the text?
What is the mechanism of evolution described in the text?
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