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Owls & Owl Pellets

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

The process of energy being captured by plants from the sun and then transferred from one organism to the next in the food chain is called __________.

a)

food flow

b)

energy flow

c)

nutrient flow

d)

water flow

2.

What do we call organisms that eat other living things in order to get energy?

a)

decomposers

b)

producers

c)

consumers

d)

processors

3.

Organisms that get energy by eating only other animals are called __________.

a)

omnivores

b)

herbivores

c)

carnivores

d)

producer

4.

__________ get energy by eating dead matter, like dead plants and animals.

a)

Omnivores

b)

Carnivores

c)

Decomposers

d)

Herbivores

5.

__________ are organisms, such as plants, that make their own food.

a)

Herbivores

b)

Decomposers

c)

Consumers

d)

Producers

6.

__________ get energy by eating only plants.

a)

Omnivores

b)

Herbivores

c)

Carnivores

d)

Producers

7.

An animal that eats both plants and other animals is a(an) __________.

a)

producer

b)

herbivore

c)

carnivore

d)

omnivore

8.

Decomposers break down dead plants and animals into nutrients that are added back into the soil. What organisms then use those important nutrients to grow healthy and strong?

a)

plants

b)

hawks

c)

humans

d)

bears

9.

__________ found in plants can be passed along from animal to animal through a food chain.

a)

Water

b)

Energy

c)

Soil

d)

Roots

10.

All food chains begin with energy received from the __________.

a)

rain

b)

moon

c)

sun

d)

soil

11.

In the following diagram, the arrows show the transfer or flow of __________ from one organism to another.

a)

energy

b)

water

c)

eggs

d)

air

12.

Which consumer is getting the most amount of energy in its meal?

a)

grass

b)

frog

c)

insect

d)

snake

13.

In a food chain, energy is passed by an animal eating and __________.

a)

being eaten

b)

reproducing

c)

getting bigger

d)

sleeping

14.

After the sun, the next link in every food chain is plants. Why are plants always next?

a)

All animals eat plants.

b)

Plants are green.

c)

Plants taste the best.

d)

Plants are the only organisms that can make food from the sun's energy.

15.

As the energy is passed on from organism to organism along the food chain, the amount of energy becomes __________.

a)

uncontrollable

b)

more noticeable

c)

greater

d)

less and less

16.

The more links on the food chain, the more energy each animal gets along the way.

a)

True

b)

False

17.

There must be more __________ in an ecosystem.

a)

producers than consumers

b)

consumers than producers

c)

animals

d)

consumers

18.

In the following food chain, which organism is eating the grass?

a)

deer

b)

no one

c)

mountain lion

d)

sun

19.

A food web is __________.

a)

a system of carnivores

b)

a web of plants

c)

a system of animals

d)

a system of overlapping food chains

20.

This diagram is an example of a __________.

a)

consumer

b)

food web

c)

food chain

d)

producer

21.

What organism eats the caterpillar in the following food chain example?

a)

plant

b)

owl

c)

frog

d)

snake

22.

By looking at the food chain below, which organism is the producer?

a)

sun

b)

fox

c)

rabbit

d)

grass

23.

An ecosystem has many food chains. An animal can be eaten by many different animals and therefore be a part of many different __________.

a)

herbivores

b)

producers

c)

food chains

d)

carnivores

24.

If one animal in a food chain dies, that will __________.

a)

affect all the animals in the food chain

b)

affect few of the animals in the food chain

c)

affect only the plants

d)

not affect any other animal

25.

Which organism in this food chain not a consumer?

a)

the owl

b)

the grasshopper

c)

the grass

d)

the mouse

26.

Which organism in this food chain is taking in the least amount of energy?

a)

the caterpillar

b)

the snake

c)

the grass

d)

the lizard

27.

What does an herbivore eat?

a)

plants and other animals

b)

only dead animals

c)

only plants

d)

only other live animals

28.

For land animals, all food chains usually begin with __________.

a)

decomposers

b)

plants

c)

carnivores

d)

herbivores

29.

Food chains and food webs show the flow of __________ within an ecosystem.

a)

energy

b)

oxygen

c)

nitrogen

d)

carbon dioxide

30.

What do the arrows represent in a food chain?

a)

flow of energy

b)

exchange of essential gases

c)

passing of genetic material

d)

sharing of resources

31.

Which organisms break down dead animals and waste allowing nutrients to be returned to the soil?

a)

carnivores

b)

omnivores

c)

decomposers

d)

herbivores

32.

In this food web, which food chain correctly shows how energy flows from grass to owl?

a)

grass > fox > frog > owl

b)

grass > grasshopper > frog > owl

c)

grass > grasshopper > owl

d)

grass > owl

33.

How does energy get from one organism to another?

a)

from one organism eating another organism

b)

from beinig exposed to the Sun

c)

from living in the same region

d)

by rubbing against each other

34.

Which of these shows the correct order of natural energy flow through a food web?

a)

plants > Sun > carnivores > herbivores

b)

Sun > plants > herbivores > carnivores

c)

carnivores > herbivores > Sun > plants

d)

Sun > plants > carnivores > herbivores

35.

The ability to produce energy from sunlight gives plants the name producers.

a)

True

b)

False

36.

Which is an example of a consumer?

a)

maple tree

b)

ant

c)

lettuce

d)

grass

37.

How is energy transferred from plants?

a)

growing plants

b)

fertilizing the plant's soil

c)

breeding the plants

d)

eating the plants

38.

A food web is __________.

a)

the amount of time it takes to capture food

b)

net like structure that traps food

c)

made up of many different food chains in an ecosystem

d)

a series (line) of organisms that eat other organisms to obtain energy

39.

An energy __________ is a diagram that shows the energy amount that moves through feeding levels of a food web.

a)

square

b)

cylinder

c)

pyramid

d)

triangle

40.

__________ are at the bottom of the energy pyramid.

a)

Herbivores

b)

Carnivores

c)

Consumers

d)

Producers