Bill Nye The Science Guy • Evolution

____________________ has been going on for billions of years.

Genes are made up of __________.

The Chemistry of all things is (the) [same/different].

DNA is considered the building blocks of __________.

A human has _____ chromosomes.

Giraffes have long necks so that they can __________ the leaves that other animals can't.

Evolution by selection is a change that occurs over [generations/night].

A paleontologist is a scientist that studies __________ __________ __________.

The study of life through time is called ____________________.

Humans have changed the environment __________ than most species can keep up.

Species adapt to changes in the environment __________.

A(n) __________ can show how life has changed on Earth.

Bird feathers and __________ scales are made of the same things.

A ground sloth lived lived 12,000 years ago during the last __________ __________.

Natural selection is the changes of size and shape of living things in __________.

__________ __________ was the scientist that developed the Theory of Evolution.

__________ __________ made the video to educate about Evolution.