AP Biology-Caviness: Evolution and Natural Selection

______: Genetic Change in a population or species of living organisms over a period of time.

• Evolution

• Natural Selection

• Genetic Varability

• Ecology

Answer explanation

Evolution is the change in the gene pool of a population over time.

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True or False- Individuals within a population DO evolve

Show Answers

• True

• False

Descendants from the ultimate common ancestor lived in various habitats and ________________ that allowed them to survive and reproduce.

• gradually accumulated adaptations

• quickly accumulated adaptions

• Punctually accumulated adaptations

• none of these

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-----------: A fossil that shows an intermediate state between an ancestral form and its modern descendants

• Transitional Features

• Ancestral Features

• Homologous structures

• Analogous structures

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________: The distribution of species on earth (past and present)

• Biogeography

• Fossil Record

• Habitat Isolation

• none of these

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________: Structures shared by 2 or more different species due to common ancestry.

• Homologous structures

• Analogous Structures

• Vestigial Structures

• divergent structure

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_________: Structures shared by 2 or more species as a result of adaptation in a similar environments

• Homologous Structure

• Analogous Structure

• Vestigial Structure

• Convergent structure

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Homologous Structures are from what type of Evolution?

• Divergent

• Convergent

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Analogous Structures are from what type of Evolution?

• Divergent

• Convergent

The ____ _____ molecular structure→ the ____ ____ of a common ancestor. HINT- 2 correct answers

• more different, More recent

• more similar, less recent

• more different, less recent

• More similar, more recent

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