Evolution

Scientists look at ______________ to learn about the organisms that used to live here millions of years ago and to help us learn more about evolution?

• Mutation

• Natural Selection

• The theory of evolution

• Fossil Record

A physical or behavioral trait that helps an organism survive and reproduce in its environment is called a what?

• An adaptation

• A response to a stimulus

• Variation

• Evolution

Remains of ancient organisms are called

• Extinctions
• Fossils
• Mutations
• Variations

Tags

NGSS.MS-LS4-1

Evolution happens over very long periods of time (millions of years)

• True

• False

What do we call it when a mistake is made while copying DNA?

• Adaptation

• Natural Selection

• Mutation

• Fossils

What causes an organism to change over time?

• DNA Mutations

• The organism wants to change

• It adapts over one lifetime

• Call death

Natural selection is:

• When an organism has a trait that makes it more likely to survive

• When an organism chooses to evolve

• When humans choose to breed certain organisms

• A giraffe grows a longer neck throughout its lifetime

What is Artificial Selection?

• An organism adapts to its environment over time

• A pinecone only opens up during very hot weather

• Humans breed an organism based on its traits

• When an organism chooses to evolve