Biological Change: Types of Evolution

Vocab check:

The theory that organisms have slowly changed over time...

• fossil record

• relative dating

• evolution

• adaptation

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A characteristic that improves an organism’s chance of survival in their environment is considered a(n) ____________.

• natural selection

• adaption

• speciation

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Individuals undergo evolution.

• True

• False

What type of speciation would involve mating during different seasons?

• geographic isolation

• reproductive isolation

• habitat isolation

• gametic isolation

The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?

• Dark moth
• Light moth
• Both will be equally successful
• Neither will be successful

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What does Darwin's theory of evolution suggest?

• species change over time
• extinct species are not related to living species
• different species can interbreed
• animals that look alike are most closely related

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_______ is the formation of a new species.

• Mutation

• Speciation

• Population

• Extinction

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What is a species? 

• A group of organisms that can mate with each other and produce fertile offspring. 

• A group of organisms that can mate and produce offspring even if those offspring are infertile.

• A group of organisms that genetically are very different from each other. 
• Indivual organisms that live in the same environment. 

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When a population becomes divided by an event such as a new river forming, ____________ has occurred.

• Differentiation 
• Isolation
• Adaptation
• Separation

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When the Grand Canyon in Arizona formed, two populations of one squirrel species were separated by the giant canyon. This is an example of _____________.

• Temporal isolation

• Behavioral isolation

• Geographic isolation