answersLogoWhite

0

Biology

User Avatar

Manley Rogahn

Lvl 10
4y ago
1.0
1 Review
Add a rating

Rate this Study Guide:

Cards in this guide (5)
When evolution started

Evolution began 3 billion years ago, when the first life forms appeared on Earth.

Why might a person whose ancestors came from the Arctic tend to carry more body fat than a person whose ancestors came from the tropics despite similar diets and exercise

People from the Arctic carry more fat because extra fat is an adaptation to cold environments.

Which of these is an example of the abiotic environment

water

Over a few million years in Africa droughts have often caused grasses and shrubs to die some years while tall trees survived Because of this giraffes with very long necks could feed in the trees w

directonal

SELECTION

Which of these is not an idea put forth by evolutionary biologists

Evolutionary biologists do not believe humans descended from apes.

Related study guides