Unit 2 Evolution Mastery 1 Review

If a new trait DOES NOT help an organism survive, what may happen to it?

• Not survive or reproduce

• Survive & reproduce

• Survive

• Die

Tags

NGSS.MS-LS4-4

What happens to new traits that HELP organisms survive over time?

• Nothing

• That trait becomes MORE COMMON in the population

• That trait becomes LESS COMMON in a population

• Equally common

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-5

Which traits were selected for in whale ancestors?

• Traits that helped them walk on land

• Traits that helped them move in water

• Traits that helped them give birth

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

NGSS.MS-LS4-1

The change in traits over time in a population is known as

• Evolution

• Mutation

• Selection

• Traits

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Body parts of organisms that are the same in structure and position but different in function and shared by a common ancestor.

• embryos

• homologous structures

• analogous structures

• vestigial structures

Tags

NGSS.MS-LS4-2

Body parts that function like each other, but are different in structure and NOT shared by common ancestor

• embryos

• homologous structures

• analogous structures

• vestigial structures

Body parts that have lost their original function.

• embryos

• homologous structures

• analogous structures

• vestigial structures

.

Which rock layer contains the youngest fossils?

• B

• F

• E

• C

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS1-4

What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?

• There were different types of predators on the islands.

• The finches on the mainland could not fly high enough.

• There was no water on the islands.

• There were different food types on each island.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Match the following

• Leftover traits that no longer have a purpose

• Extinction

• measuring the position of a fossil in layers of rock to determine its age

• Vestigial structure

• Traits similar in two different species

• Relative dating

• When ALL members of a species die

• Homologous Structure

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1