Biodiversity Checkpoint Quiz

Biodiversity is the variety of different ___ in an area.

• plants

• animals

• species

• streams

Tags

NGSS.MS-LS2-5

The number of known species is about ___ million.

• 1.7 million

• 17 million

• 10.7 million

• 11.7 million

A sea otter is critical to the functioning of the ecosystem in which it lives. It affects the survival and abundance of many other species in its community. It is a ___ species.

• unknown

• keystone

• endangered

• threatened

Tags

NGSS.MS-LS2-4

Which organisms on Earth have the most species named?

• plants

• animals

• bacteria

• insects

Organisms have ___ value.

• ecological

• economic

• recreational

• all of these

When there are no individuals of a certain species left anywhere on Earth, they are considered _

• endangered

• extinct

• theatened

• keystones

Tags

NGSS.MS-LS4-1

Organisms provide people with jobs and the things they need to live, that gives them _ value.

• economic

• ecological

• recreational

• niche

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-1

This factor affects biodiversity:

• climate

• size of the area

• genetic diversity

• all of these

Tags

NGSS.MS-LS2-5

NGSS.MS-LS4-4

True or False: All species in an ecosystem are connected.

• True

• False

• Neither

• Both

Tags

NGSS.MS-LS2-2

True or False: People have no influence on biodiversity.

• True

• False

• Neither

• Both

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

NGSS.MS-ESS3-4