Env. Biodiversity

A species that is originally from the ecosystem that is is in is called a(n) _____________ species

• Keystone

• Endangered

• Endemic

• Extinct

There are approximately ________ organisms known to scientists.

• 2 million

• 8 million

• 10 million

• 5 million

Biodiversity is

• The number and variety of populations in an area

• The number and variety of communities on an area

• The number and variety of species in an area

• The number and variety of organisms in an area

Tags

NGSS.MS-LS2-5

When an organism is depended on greatly by the rest of the ecosystem it is called a(n) _______ species.

• Keystone

• Endemic

• Endangered

• Exotic

When high areas of biodiversity are threatened it is called a(n) ______ _______

• Endangered area

• biodiversity bubble

• Endangered hot-spot

• Biodiversity hot-spot

Tags

NGSS.MS-LS2-5

What is ecotourism?

• When people take a vacation to protest global warming

• When people take a vacation to hunt big game (hippo's, elephants, tigers etc.)

• When people take a vacation that supports conservation

• When people take a vacation that supports the Greenpeace effort

Tags

NGSS.MS-LS2-5

Which organisms are at a higher risk of extinction?

• Those with high birthrates

• Those that live in special places

• Those that hunt in the ecosystem

• Those that have large populations

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

A species whose numbers indicate that it may permanently disappear in the near future are called

• keystone species

• endemic species

• invasive species

• endangered species

Tags

NGSS.MS-LS2-5

Where in the world are the most extinctions happening?

• Arctic

• Desert

• Rain forest

• Antarctic

Why are keystone species important to an ecosystem?

• Because they act as population control

• Because they are not predators

• Because they protect other animals in the ecosystem

• Because they mate with multiple species

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5