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Biodiversity Basics

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

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

2.

An organism that uses sunlight to create its own food is known as a:

a)

Producer

b)

Heterotroph

c)

Consumer

d)

Decomposer

3.

High biodiversity is 

a)

having a lot of the same organism.

b)

having a few of the same organism.

c)

having a lot of variety of different organisms.

d)

only having one of each organism. 

4.

Which ecosystem is more likely to survive a change in the environment?

a)

One with High biodiversity

b)

One with Low biodiversity

5.

Which statement best describes an example of high biodiversity?

a)

A pond ecosystem is populated by a single species of frogs

b)

A state park that includes multiple forest and freshwater ecosystems with many different species of fish, birds and frogs in a variety of colors

c)

A desert ecosystem is populated by organ pipe cacti, camels, and armadillo lizards

6.

What does the root "bio" mean...

a)

living

b)

nonliving

c)

toxic

d)

variety

7.

What does the root "diversity" mean...

a)

living

b)

nonliving

c)

toxic

d)

variety

8.

(a)   is the variety of living things in the world.

9.

How do biodiversity and stability work together?

a)

The lower the biodiversity the greater the stability of an ecosystem.

b)

The higher the biodiversity, the less stable the ecosystem

c)

The higher the biodiversity, the greater the stability of the ecosystem.

d)

Biodiversity has nothing to do with ecosystem stability.

10.

In this food web example you can see that rain forests have many producers consumer and predators. How would you describe the rain forest biome?

a)

It has high biodiversity

b)

It has low biodiversity.

11.

Which habitat exhibits the greatest biodiversity?

a)

A habitat with 15 different species with about 300 individuals each

b)

A habitat with 10 different species with about 75 individuals each

c)

A habitat with 4 different species with about 150 individuals each

d)

A habitat with only one species with about 2000 individual

12.

The level of biodiversity that involves a variety of habitats is _____ diversity.

a)

ecosystem

b)

population

c)

genetic

d)

species

13.

Which of the following best describes the concept of biodiversity?

a)

The variety of life forms within a given ecosystem, biome, or the entire Earth

b)

The number of individual organisms in a specific area

c)

The genetic similarity between species in a habitat

d)

The rate of extinction of species in a particular region

14.

Why is biodiversity important for ecosystem stability?

a)

It increases the number of predators in an ecosystem

b)

It ensures a variety of food sources and ecological roles

c)

It reduces the need for water in an ecosystem

d)

It limits the growth of plant species

15.

Which of the following is a real-world example of biodiversity conservation?

a)

Planting a single type of crop over a large area

b)

Establishing protected areas like national parks

c)

Introducing non-native species to a new habitat

d)

Building urban areas in forested regions