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Species Diversity

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Species that normally lives and thrives in a particular area.

a)

keystone species

b)

endangered species

c)

native species

d)

indicator species

e)

extinct species

2.

The variety of organisms in a given area is called:

a)

a species

b)

a gene

c)

abiotic factors

d)

biodiversity

3.

The diversity of organisms, whether microorganisms, animals, or plants is known as

a)

biodiversity

b)

habitat

c)

climate

4.

How can humans best help an endangered species avoid extinction?

a)

they can feed the animals

b)

they can put the animals in a zoo

c)

they can protect the animal’s habitat

d)

they can take the animal to new habitats

5.

Example of endemic species in Malaysia is

a)

Cat

b)

Monkey

c)

Malayan Tiger

6.

What is an endemic species?

a)

Species that can be found anywhere

b)

Animals that became endangered

c)

Organisms that can only be found in restricted habitat or a specific location

d)

Plants that can undergo photosynthesis

7.

What is the main focus of the research question?

a)

The impact of habitat size reduction on species diversity.

b)

The effect of pollution on air quality.

c)

The growth rate of plants in different soils.

d)

The migration patterns of birds.

8.

Which of the following best describes species diversity?

a)

The variety of species within a habitat or a region

b)

The number of individuals in a species

c)

The genetic variation within a species

d)

The number of ecosystems in a region

9.

What is the primary factor that contributes to high species diversity in tropical rainforests?

a)

High levels of sunlight

b)

Abundant water supply

c)

Stable climate conditions

d)

Rich soil nutrients

10.

Which of the following is a method used to measure species diversity in an ecosystem?

a)

Species richness

b)

Species evenness

c)

Both species richness and evenness

d)

None of the above

11.

How does species diversity contribute to the stability of an ecosystem?

a)

By increasing competition among species

b)

By providing a variety of food sources

c)

By reducing the number of predators

d)

By promoting genetic uniformity

12.

Which of the following human activities is most likely to decrease species diversity?

a)

Deforestation

b)

Reforestation

c)

Establishing wildlife reserves

d)

Pollution control

13.

In an experiment, a scientist observes that an increase in plant species diversity leads to an increase in insect diversity. What is the most likely explanation for this observation?

a)

Insects prefer diverse plant species

b)

More plant species provide more habitats and food sources

c)

Insects are attracted to specific plant species

d)

Increased plant diversity reduces competition among insects

14.

Which of the following is an example of a keystone species that affects species diversity in its ecosystem?

a)

Sea otter

b)

House cat

c)

Pigeon

d)

Goldfish

15.

Why is it important to maintain species diversity in agricultural systems?

a)

To increase crop yield

b)

To reduce the need for fertilizers

c)

To enhance pest and disease resistance

d)

To simplify farming practices