Evolution and natural selection

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Evolution typically happens...

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over millions of years

Front

Bird's beaks evolve mainly due to the type of ___________________ available.

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food

Front

If an organism can't adapt fast enough, this might happen.

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become extinct

Front

Darwin said that within a species there will be

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variation/differences

Front

Organisms with differences/variations that are helpful will

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live longer

Front

What can happen to a species over time if some of the organisms have an advantage?

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The population will slowly increase

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The change over time in populations of related species.

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biological evolution

Front

A slight difference in an inherited trait between individual members of the same species.

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variations

Front

What do we call a trait that gives an organism an advantage in its environment?

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Adaptation

Front

What is the process called when an organism with an adaptation competes better, survives longer, and passes the adaptation to its offspring?

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evolution by natural selection