Evolution and natural selection

Front

Evolution typically happens...

Back

over millions of years

Front

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

Back

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 _________________________

Back

variation/differences

Front

Organisms with differences/variations that are helpful will ______________________

Back

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.

Back

biological evolution

Front

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

Back

variations

Front

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

Back

Adaptation

Front

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

Back

evolution by natural selection