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Biodiversity Formative

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

The variety of life on Earth or in a particular area is...

a)

exotic species

b)

biodiversity

c)

keystone species

d)

niche

2.

Location of the majority of endangered species

a)

habitat destruction

b)

intrinsic value

c)

tropical rainforests

d)

niches

3.

This happens when the last member of a species dies

a)

exotic species

b)

invasive species

c)

endangerment

d)

extinction

4.

The main cause of endangerment and extinction for most species

a)

habitat destruction

b)

tropical rainforest

c)

wild genes in natural species

d)

medicines/pharmaceuticals

5.

An organism that doesn’t belong in a particular location, and it’s out competing the native species.

a)

exotic invasive species

b)

red-cockaded woodpecker

c)

wild genes in natural species

d)

instrumental value

6.

It’s what we say when a species has some useful purpose to mankind

a)

exotic species

b)

instrumental value

c)

extinction

d)

niche

7.
Some species are so important to the functioning  of an ecosystem that they are called
a)
keystone species
b)
cornerstone species
c)
essential species
d)
exotic species
8.

An endemic species is one that

a)

exists in only one geographic area

b)

exist all over the world

c)

doesn't exist anymore

d)

is a newly discovered species

9.

The intrinsic value of an ecosystem is

a)

the cost of maintaining and conserving an ecosystem.

b)

the value of an ecosystem as determined through a cost-benefit analysis.

c)

the value of an ecosystem dependent on human benefit.

d)

the value of an ecosystem independent of any human benefit.

10.

_____________________ are plants and animals that exist only in one geographical region.

a)

Extinct species

b)

Endangered species

c)

Endemic species