ICheck 3 Review

What is a mutation?

• Trait that helps an organism survive and reproduce

• Change in DNA

• Change in traits

• A new species

What is an adaptation?

• Change in DNA

• Change in traits

• A trait that helps an organism survive and reproduce

• The process in which a new species is created.

What is variation?

• Change in the DNA

• A new trait

• Differences in species

• A change in a species

Which is not a mutation type?

• Positive

• Negative

• Neutral

• Directional

Is natural selection random?

• Yes

• No

• Depends

Are mutations random?

• Yes

• No

Which population would survive better?

• A population with no variation.

• A population with some variation.

• A population with a lot of variation.

How do adaptation help organisms?

• They don't

• They help species survive and reproduce

• They allow species to survive

A species of insect has two different colors (green and red). The green species is able to survive and pass on their traits because they are able to hide from predators better. What term describes this process?

• Mutation

• Natural selection

• Asexual reproduction

• Speciation

Where do organisms that reproduce asexually get variation?

• Mutations in their DNA

• They can't get variations

• The environment

• Magic