human evolution

Early humans evolved dark skin because..

• melanin protects the body from harmful UV rays

• dark skin helps humans to camouflage

• dark skin can be used to scary away predators

• melanin helps to absorb more UV rays

What is human evolution?

• Short process of change by which primates became modern humans.

• Long process of change by which modern humans became primates.

• Long process of change by which primates became modern humans.

• Long process of change by which primates became apes

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Q. Where did human evolution take place?

• Europe

• Africa

• Asia

• America

Tags

NGSS.MS-LS4-2

What continent did humans evolve from?

• the Americas

• Asia

• Africa

• many places all at once

Who are the closest living relatives to humans?

• chimpanzees

• gorillas

• lemurs

• kangaroos

Change over time...

• Evolution
• Nucleotide 

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

To adjust to a changing environment

• Mutation
• Adapt

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

When an organism completely dies out, it is called.....

• Adaption
• Extinction
• Fossilization
• Mutation

Tags

NGSS.MS-LS4-1