Evolutionary History Unit

Front

What does the body structure of Penguins, Pigeons, and Hummingbirds tell us about their ancestors?

Back

All three species share an ancestor population, but Pigeons and Hummingbirds share a more recent ancestor population.

Tags

NGSS.MS-LS4-2

Front

What is a species?

Back

A group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group.

Tags

NGSS.MS-LS4-2

Front

What is a descendant species?

Back

A more recent species that evolved from an ancestor population.

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Front

Which populations' structure would be most similar to the common ancestor population?

Back

Populations A and C.

Tags

NGSS.MS-LS4-2

Front

How would you describe the animals in the Sahara Desert?

Back

Their body structures will continue to stay similar.

Front

What is evolution?

Back

The process by which species adapt to environmental changes over a very long time.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Front

What is an ancestor population?

Back

An older population from which two or more newer species descended.

Tags

NGSS.MS-LS4-2

Front

What does it mean for species to adapt?

Back

To change over time in response to environmental pressures.

Tags

NGSS.MS-LS4-4

Front

What is the significance of shared body structures among species?

Back

It indicates a common ancestor and evolutionary relationships.

Tags

NGSS.MS-LS4-2

Front

What is the role of environmental stability in evolution?

Back

Stable environments can lead to less variation in species' body structures.

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5