Evolution Unit Review

Front

What does similar DNA in two species likely indicate?

Back

These animals have a common ancestor.

Tags

NGSS.MS-LS4-2

Front

What is genetic drift?

Back

A process where random events cause changes in the allele frequencies of a population.

Front

What is an adaptation?

Back

A phenotype that improves an organism’s chance of survival in their environment.

Tags

NGSS.MS-LS4-4

Front

What do phylogenetic trees illustrate?

Back

They help you visualize how species are related.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Front

What can be inferred from the age of fossils in different rock layers?

Back

Fossil D is older than fossil C.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

Define speciation.

Back

The formation of new and distinct species in the course of evolution.

Tags

NGSS.HS-LS4-5

Front

What is the significance of fossil records?

Back

They provide evidence of the history of life and evolutionary changes over time.

Tags

NGSS.MS-LS4-1

Front

What is the role of mutations in evolution?

Back

Mutations introduce new genetic variations that can lead to adaptations.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Front

Explain the concept of common descent.

Back

The idea that all living organisms share a common ancestor.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3