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7.4.2 Ecosystem Biodiversity #1

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Which do you think has a higher species diversity biodiversity, a food chain or a food web?

a)

Food Chain

b)

Food Web

2.

Which has a higher biodiversity: a rain forest or a desert?

a)

Rain forest

b)

Desert

c)

They have a similar biodiversity

3.

Which has a higher biodiversity: a rain forest or a temperate forest?

a)

Rain forest

b)

Temperate Forest

c)

They have a similar biodiversity

4.

As you move from the equator to the poles, what happens to biodiversity?

a)

Increases

b)

Decreases

c)

Remains the same

5.

Why is biodiversity in an ecosystem so important?

a)

It can help humans find good places to develop farm land.

b)

Places that have a healthy biodiversity are unaffected by major disturbances.

c)

Having a high biodiversity allows ecosystems to withstand major changes.

d)

Having high biodiversity decreases competition among different species.

6.

Which factor is most likely to cause the number of rabbits living in an area to INCREASE?

a)

less water

b)

fewer predators

c)

lack of shelter

d)

limited food

7.

All of the different organisms interacting in a pond make up...

a)

a community

b)

a population

c)

the habitat

d)

an organism

8.

The prefix "bio-" means

a)

life

b)

birds

c)

science

d)

ecosystems

9.

The suffix "-diversity" means

a)

different

b)

variety

c)

colors

d)

animals

10.

Organisms with a ___________ gene pool have a __________ chance of surviving

a)

smaller, lesser

b)

larger,greater

c)

smaller, greater

d)

larger, smaller

11.

Species biodiversity is more commonly seen as you get closer to...

a)

the Coast

b)

Florida

c)

the Equator

d)

the Poles

12.

_______________________ comprise only 6% of all land on Earth yet are home to nearly 50% of all the species on Earth.

a)

ocean

b)

tropical rain forests

c)

tundras

d)

desserts

13.

Biodiversity is the ____________ and variability of __________ on earth

a)

variety

b)

life

c)

diversity

d)

difference

14.

Biodiversity is the number and variety of ______ in a given area.

a)

organisms

b)

populations

c)

genes

d)

communities