What impact have humans had on plants and animals?

Science

A characteristic that helps an organism to survive

The process by which living things gradually change over time

Which of these were the most important in helping humans to survive? Tick 4. Be careful, you only get 4 points if you get all 4 correct!

How many years did it take humans to evolve?

What is the correct word to complete the gap in this sentence? Individuals that are poorly ______ are less likely to survive.

when an organism is well adapted to the environment

when there are no longer any members of a species alive

a period of time between an extinction event

a period of time that happened a long time ago

Which geological era did mammals evolve in?