Evolution and Natural Selection

Front

Definition: natural selection

Back

Organisms with traits well suited to their environment survive and reproduce at a greater rate.

Tags

NGSS.MS-LS4-4

Front

A trait that makes a species better suited to survive in its environment is called a(n) _________

Back

Adaptation.

Front

Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.

Back

Evolution.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Front

A well-tested concept that explains a wide range of observations is called a(an):

Back

Scientific theory.

Front

A slight difference in an inherited trait between individual members of the same species.

Back

Variations.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Front

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

Back

Natural selection.

Tags

NGSS.MS-LS4-4

Front

What do we call the inherited characteristics that enhance an organism's ability to survive in its environment?

Back

Adaptations.

Front

What term describes the gradual change in species over time?

Back

Evolution.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Front

What is the difference between homologous and analogous structures?

Back

Homologous structures are similar due to shared ancestry, while analogous structures are similar due to convergent evolution.

Tags

NGSS.MS-LS4-2

Front

What is genetic variation?

Back

Differences in DNA among individuals within a species.

Tags

NGSS.MS-LS4-4