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Energy and Matter in Ecosystems

Total questions: 28

Worksheet time: 14mins

Name
Class
Date
1.

What is a top consumer in a food web?

a)

A consumer that does not have any predators.

b)

A small fish that is a consumer.

c)

A decomposer that breaks down dead animals.

d)

Any predator that eats a producer.

2.

Producers eat food from consumers.

a)

b)

3.

A Kapok tree is a

a)

producer

b)

decomposer

c)

consumer

d)

predator

4.

A change in one part of an ecosystem does not affect the other parts of that ecosystem.

a)

b)

5.

Invasive species thrive because they have no predators or competition for resources.

a)

b)

6.

Consumers are animals that eat other animals.

a)

b)

7.

Which is the first link of a food chain?

a)

producer

b)

predator

c)

scavenger

d)

consumer

8.

Every _________​ , no matter how large or small, ​ makes it own food.

a)

producer

b)

predator

c)

consumer

d)

herbivore

9.

The ability to cause a change is

a)

energy

b)

carbohydrate

c)

consumer

d)

organism

10.

A form of sugar made by plants through the process of photosynthesis

a)

glucose

b)

sugar

c)

carbohydrate

d)

energy

11.

The continuing chemical reactions in living things that release and use energy

a)

metabolism

b)

sugar

c)

energy

d)

photosynthesis

12.

All chemical energy for life comes from

a)

sunlight

b)

water

c)

metabolism

d)

consumer

13.

This is a

a)

food web

b)

food chain

c)

rain forest

d)

tree of life

14.

The process used by producers to make glucose and oxygen from sunlight, water, and carbon dioxide

a)

photosynthesis

b)

glucose

c)

sugar

d)

sunlight

15.

Plants consume the soil they grow in.

a)

b)

16.

Plants can change position to get the sunlight they need to survive.

a)

b)

17.

Every food you eat either came from a plant or from something that ate plants.

a)

b)

18.

What do plants do with oxygen?

a)

release it into the atmosphere

b)

breathe it in

c)

use it to make energy

d)

use it to stay hydrated

19.

Organisms that eat only producers are called herbivores.

a)

b)

20.

An animal that eats other animals are known as

a)

carnivores

b)

herbivores

c)

omnivores

d)

producers

21.

Organisms that eat both plants and other animals are known as

a)

omnivores

b)

carnivores

c)

herbivores

d)

vegetarians

22.

This is a

a)

food chain

b)

food web

c)

producer

d)

herbivore

23.

Ecosystems include a sense of the flow of

a)

energy and matter

b)

sunlight and darkness

c)

producers and consumers

d)

light and energy

24.

Ecosystems can be as small as a single drop of pond water.

a)

b)

25.

In this food chain _______ is a producer.

a)

grass

b)

a lion

c)

a dung beetle

d)

the sun

26.

In this food web a ________ is a top consumer?

a)

kite

b)

goat

c)

snake

d)

wild cat

27.

According to this food web, what does a rabbit eat?

a)

green plant

b)

jackal

c)

mouse

d)

lion

28.

In a food web the arrows tell us

a)

how the energy and matter flow

b)

what each organism eats

c)

what is at the top of the food chain