Front

What is evolution?

Back

The process by which different kinds of living organisms develop and diversify from earlier forms during the history of the earth.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Front

What is natural selection?

Back

The process by which organisms that are better adapted to their environment tend to survive and produce more offspring.

Tags

NGSS.MS-LS4-4

Front

What are adaptations?

Back

Traits that enhance an organism's ability to survive and reproduce in a specific environment.

Tags

NGSS.MS-LS4-4

Front

What are vestigial structures?

Back

Structures that have lost their original function through the course of evolution.

Tags

NGSS.MS-LS4-2

Front

What is a homologous structure?

Back

An anatomical feature in different species that is similar due to shared ancestry.

Tags

NGSS.MS-LS4-2

Front

What is an analogous structure?

Back

An anatomical feature in different species that serves similar functions but evolved independently.

Front

What is genetic variation?

Back

Differences in DNA among individuals, which can lead to variations in traits.

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

Front

What is the significance of the fossil record?

Back

It provides evidence of the history of life on Earth and shows how species have changed over time.

Tags

NGSS.MS-LS4-1

Front

What is speciation?

Back

The process by which new species arise from existing species.

Tags

NGSS.MS-LS4-2

Front

What role does mutation play in evolution?

Back

Mutations introduce new genetic variations, which can lead to new traits in a population.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4