Biology Unit

the variety of life in the world or in a particular habitat or ecosystem

• biodiversity

• demography

• carrying capacity

• poaching

Tags

NGSS.MS-LS2-5

a species that is not native to a particular region

• endemic

• exotic

• endangered

• extinct

species that are native to and found only within a limited area

• endemic

• exotic

• endangered

• extinct

a species at risk, but not yet endangered

• endangered

• exotic

• endemic

• threatened

How many species are estimated to be living on Earth?

• between 10,000 and 100,000

• between 1 and 2 million

• between 500,000 and 1 million

• between 10 and 50 million

Tags

NGSS.HS-LS4-5

The level of biodiversity that involves a variety of habits and communities is _____ diversity.

• ecosystem

• population

• genetic

• species

Biodiversity is important to keep an area (biome) healthy. In this example "Food Web A" is sustainable. Why is sustainability important for an ecosystem in "Food Web A".

• If one organism is removed the food web can still operate (work) with little or no negative effect.

• If an organism is removed the food web will collapse and will affect the environment.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which habitat exhibits the greatest biodiversity?

• A habitat with 15 different species with about 300 individuals each

• A habitat with 10 different species with about 75 individuals each

Tags

NGSS.MS-LS2-5

Biodiversity, aka biological diversity, usually refers to

• the same species in a general location

• the number of different species in a given area

• the number of animal species in a given area

• the number of plant species in a given area

Tags

NGSS.MS-LS2-5

Species that are clearly critical to the functioning of an ecosystem are known as

• biodiversity

• keystone species

• main species

• native species

Tags

NGSS.MS-LS2-4