Natural Selection and Evidence of Evolution

Front

Who developed the idea of evolution by natural selection?

Back

Charles Darwin

Front

Darwin discovered 13 species of finch on the Galapagos with different shaped beaks. What did he hypothesize about the development of these beaks?

Back

their diet

Front

Evolution is

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changes in organisms over time

Front

A structure in an organism that no longer functions

Back

vestigial structure

Front

What do the similar embryos of humans and chickens tell us?

Back

They have a common ancestor

Front

You look at two species and see that they have very similar DNA. What does this likely tell you?

Back

These animals have a common ancestor

Front

Homologous structures

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are structures that are similar in related organisms that have a common ancestor

Front

What describes an adaptation?

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A trait that makes an organism best suited to its environment.

Front

When an organism completely dies out, it is called...

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Extinction

Front

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 surviving this environment? Options: Dark moth, Light moth, Both will be equally successful, Neither will be successful

Back

Dark moth