Ecosystem and Biodiversity

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

• biodiversity

• demography

• carrying capacity

• poaching

Tags

NGSS.HS-LS2-2

NGSS.HS-LS2-6

NGSS.HS-LS2-7

NGSS.HS-LS4-5

a species that is not native to a particular region

• endemic

• exotic

• endangered

• extinct

Tags

NGSS.HS-LS4-5

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

Tags

NGSS.HS-LS4-5

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

Which of the following would be most effective in slowing the loss of biodiversity?

• creating large parks/preserves in biodiversity hotspots

• requiring every country to maintain a seed bank

Tags

NGSS.HS-LS2-7

In what part of the world are the greatest number of extinctions occurring?

• in deserts

• in the Arctic

• in tropical rain forests

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

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

• ecosystem

• population

• genetic

• species

Tags

NGSS.MS-LS2-5

The ecosystem approach to conservation is partly based on the idea that:

• a healthy biosphere requires intact ecosystems.

• human needs are of secondary importance.

Tags

NGSS.MS-LS2-5

Why is biodiversity important to ecosystems?

• It helps populations adapt to ecological changes.

• It increases at each level of the food chain.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5