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Biodiversity Basics

Total questions: 10

Worksheet time: 9mins

Name
Class
Date
1.

Biodiversity, aka biological diversity, usually refers to

a)

the same species in a general location

b)

the number of different species in a given area

c)

the number of animal species in a given area

d)

the number of plant species in a given area

2.

A population is

a)

a group of similar species in different areas

b)

a group of the same species in the same geographic area.

c)

a group of several species in the same geographic area

d)

a group of several species along with their abiotic factors in a small area.

3.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
4.

High biodiversity removes the predators and parasites in the ecosystem and makes it safer.

a)

True

b)

False

5.

High biodiversity makes the food web more complex and better able to support the most species, even if some populations decrease.

a)

True

b)

False

6.

High biodiversity ensures that many different ecological niches (jobs, roles) are filled, which helps the ecosystem function well.

a)

True

b)

False

7.

High biodiversity makes it more likely that the ecosystem will be able to keep functioning after a disturbance, such as disease or natural disaster.

a)

True

b)

False

8.

High biodiversity is a sign of a healthy ecosystem.

a)

True

b)

False

9.

High biodiversity makes an ecosystem more sustainable because the food web is stronger and organisms perform a wider variety of functions.

a)

True

b)

False

10.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer