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Ecosystems

Total questions: 27

Worksheet time: 14mins

Name
Class
Date
1.

Predation

a)

Relationship where one organism eats the other.

b)

Relationship where both organisms get something from the other one.

c)

Relationship where one organism is helped but the other isn't affected at all.

d)

Relationship where one organism is helped but the other is hurt.

2.

Abiotic Factors

a)

Sun, Grass, Trees

b)

Air, Mushrooms, Birds

c)

Water, Air, Sun

d)

Flowers, Water, Air

3.

Biotic Factors

a)

Mushrooms, Air, Sun

b)

Trees, People, Mushrooms

c)

Water, People, Trees

d)

Sun, Mushrooms, Rocks

4.

Parasitism

a)

Relationship where both organisms get something from the other one.

b)

Relationship where one organism eats the other.

c)

Relationship where one organism is helped but the other isn't affected at all.

d)

Relationship where one organism is helped but the other is hurt.

5.

Commensalism

a)

Relationship where one organism is helped but the other is hurt.

b)

Relationship where one organism is helped but the other isn't affected at all.

c)

Relationship where one organism eats the other.

d)

Relationship where both organisms get something from the other one.

6.

Competition

a)

Programs put in place by humans to help protect plants and animals.

b)

Location and climate of an ecosystem.

c)

When organisms are fighting for resources such as food, water, and shelter.

d)

System that allows multiple predators to survive peacefully in an ecosystem.

7.

An example of a predator prey relationship is...

a)

deer and mouse

b)

fox and trees

c)

rabbit and squirrel

d)

wolf and elk

8.

Prey is...

a)

an organism that kills and eats another organisms.

b)

an organism that helps all other organisms.

c)

an organism that is eaten by another organism.

d)

an organism that hurts all other organisms.

9.

Mutualism

a)

Relationship where one organism is helped but the other is hurt.

b)

Relationship where both organisms get something from the other one.

c)

Relationship where one organism eats the other.

d)

Relationship where one organism is helped but the other isn't affected at all.

10.

A predator is...

a)

an organism that is eaten by another organism.

b)

an organism that helps all other organisms.

c)

an organism that kills and eats another organisms.

d)

an organism that hurts all other organisms.

11.

A community is...

a)

a group of different kinds of living things.

b)

a group of the same kind of living things.

c)

any single living thing, such as an animal or plant.

d)

a group of different living things plus the non-living things.

12.

An Ecosystem is...

a)

a group of the same kind of living things.

b)

a group of different kinds of living things.

c)

a group of different living things plus the non-living things.

d)

any single living thing, such as an animal or plant.

13.

A Population is...

a)

any single living thing, such as an animal or plant.

b)

a group of different kinds of living things.

c)

a group of different living things plus the non-living things.

d)

a group of the same kind of living things.

14.

An Organism is...

a)

a group of the same kind of living things.

b)

any single living thing, such as an animal or plant.

c)

a group of different living things plus the non-living things.

d)

a group of different kinds of living things.

15.

The relationship of owls and mice is...

a)

mutualism

b)

commensalism

c)

predatorial

d)

parasitism

16.

A Biotic Factor is...

a)

the non-living things in an ecosystem.

b)

the size of an ecosystem.

c)

the location of an ecosystem.

d)

the living things in an ecosystem.

17.

An Abiotic Factor is...

a)

the living things in an ecosystem.

b)

the size of an ecosystem.

c)

the non-living things in an ecosystem.

d)

the location of an ecosystem.

18.

Shortages of resources in an ecosystem causes _______ between organisms.

a)

commensalism

b)

competition

c)

predation

d)

parasitism

19.

Deer and Elk both eat grass, bushes, and acorns. What type of relationship is this?

a)

Mutualism

b)

Predatory

c)

Parasitism

d)

Competitive

20.

A bee gathers nectar from a flower for food, and this allows the flower to reproduce. What relationship is this?

a)

Parasitism

b)

Mutualism

c)

Competition

d)

Commensalism

21.

Because hawks eat rabbits, rabbits are...

a)

predators.

b)

parasites.

c)

competitors.

d)

prey.

22.

A drought (long period with no rain) will cause competition in animals to

a)

decrease

b)

not change at all

c)

increase

d)

stay the same

23.

In which ecosystem would organisms have the strongest competition for water?

a)

Forest

b)

Ocean

c)

Jungle

d)

Desert

24.

What type of relationship is illustrated by a tick that sucks the blood of a dog?

a)

Predatory

b)

Parasitism

c)

Commensalism

d)

Competition

25.

What happens if a top predator is destroyed?

a)

Increasing prey improves the resources in an ecosystem.

b)

Overpopulation in prey causes strain on an ecosystem.

c)

Decreasing prey changes the way an ecosystem functions.

d)

Nothing will happen.

26.

Which relationship is illustrated by small animals who hide in the grass for protection, without harming the grass?

a)

Commensalism

b)

Mutualism

c)

Predation

d)

Parasitism

27.

Amur Leopards and Amur Tigers both live in the Amur Forest in Russia. They both eat silka and red deer and, therefore...

a)

have a commensalist relationship.

b)

have a mutualist relationship.

c)

have a predatory relationship.

d)

have a competitive relationship.