Evolution and natural selection

Front

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

What might happen if an organism can't adapt fast enough?

Back

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?

Back

The population will slowly increase

Front

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.

Back

variations

Front

When an organism of a species is born with a variation in a trait that gives it an advantage in its environment, we call that trait an adaptation.

Back

true

Front

When an organism of a species has an adaptation, it will compete for resources better, survive longer and pass that adaptation on to its offspring. This process is called

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evolution by natural selection