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Biodiversity and Ecosystems

Total questions: 32

Worksheet time: 18mins

Name
Class
Date
1.

The number of different plants and animals in an area.

a)

niche

b)

biodiversity

c)

ecosystem

d)

tundra

2.

living things

a)

biotic

b)

abiotic

c)

ecosystem

d)

biodiversity

3.

nonliving things

a)

biotic

b)

abiotic

c)

ecosystem

d)

biodiversity

4.

the special function every plant or animal has in an ecosystem

a)

molting

b)

dormant

c)

barren

d)

niche

5.

plants or animals that are not natural parts of an ecosystem

a)

molting

b)

invasive

c)

barren

d)

niche

6.

cold, barren region with no trees

a)

desert

b)

rain forest

c)

arctic

d)

tundra

7.

an area that grows few plants

a)

barren

b)

tundra

c)

empty

d)

rain forest

8.

more of an animal or plant than resources available

a)

underpopulated

b)

populated

c)

overpopulated

d)

barren

9.

What are these examples of? food, water, shelter

a)

resources

b)

biodiversity

c)

invasive species

d)

dormant

10.

parts of an organism's body

a)

crustaceans

b)

exoskeleton

c)

chemical structure

d)

physical structure

11.

a relationship between two organisms of different species where one or both species benefits

a)

symbiotic relationship

b)

invasive relationship

c)

chemical relationship

d)

environmental relationship

12.

a way a plant of animal's body or behavior changes that helps it survive in their environment

a)

chemical change

b)

adaptation

c)

natural change

d)

evolving

13.

movement of a species from one place to another

a)

migration

b)

biodiversity

c)

mutation

d)

adaptation

14.

True or false? There are three types of deserts.

a)

True

b)

False

15.

Which of these species have exoskeletons? Select 3.

a)

Crabs

b)

Dogs

c)

Lobsters

d)

Snakes

e)

Shrimp

16.

True or false? Adaptations develop over long periods of time and can take many generations to develop.

a)

True

b)

False

17.

What are the characteristics of the tundra? Select 3.

a)

Cold

b)

Barren

c)

Hot

d)

Low biodiversity

e)

Many animals

18.

What percentage of earth's living things live in the rain forest?

a)

10%

b)

50%

c)

75%

d)

25%

19.

What are the characteristics of grasslands? Select 2.

a)

small amount of rainfall

b)

great amount of biodiversity

c)

cold weather

d)

lots of rainfall

20.

What are some PREDICTABLE ways ecosystems change? Select 2.

a)

seasons

b)

invasive species

c)

human activity

d)

animal migration

21.

What are some NOT PREDICTABLE ways ecosystems change? Select 2.

a)

seasons

b)

invasive species

c)

human activity

d)

animal migration

22.

Do native species compete with invasive species for food and shelter?

a)

Yes

b)

No

23.

True or False? Ecosystems need balance. We need the right amount of plants and animals to keep the balance.

a)

True

b)

False

24.

True or False? the less bio-diverse an ecosystem is, the more stable it is.

a)

True

b)

False

25.

Why do animals have different structures?

a)

Because they live in different habitats and perform different functions.

b)

Because they live in similar habitats and perform different functions.

c)

Because they live in different habitats and perform similar functions.

d)

Because each animal is unique for their environment.

26.

Why can some animals camouflage?

a)

To stand out in their environment

b)

To blend into their environment

c)

To help other animals in their environment

27.

Help you grow and survive; are located inside of your body

a)

internal structures

b)

external structures

28.

easy to identify because you can see them with your eyes and touch them with your hands

a)

internal structures

b)

external structures

29.

creatures with segmented bodies and exoskeletons

a)

chitin

b)

carcinologist

c)

crustaceans

d)

scavengers

30.

What biome would a zebra live in?

a)

tundra

b)

rain forest

c)

grasslands

d)

taiga

31.

What biome would a toucan live in?

a)

tundra

b)

rain forest

c)

grasslands

d)

taiga

32.

What two things make up an ecosystem?

a)

nonliving things

b)

biodiversity

c)

biomes

d)

living things