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Worksheets

Matter & Energy in Organisms & Ecosystems

Total questions: 33

Worksheet time: 25mins

Name
Class
Date
1.

Which example describes an organism taking in nutrients?

a)

a bear hibernating for winter

b)

a baby eating cereal

c)

a woman planting a rose bush

d)

a grasshopper hiding in the leaves

2.

The transfer of pollen from the stamen to the pistil is called:

a)

germination

b)

pollination

c)

fertilization

d)

photosynthesis

3.

Which behavior is an example of an animal adapting to a change in the environment?

a)

a bird sitting on a telephone wire

b)

a snake eating a mouse

c)

a caribou migrating south

d)

a beaver feeding its young

4.

What are the two products produced during photosynthesis?

a)

carbon dioxide and glucose

b)

roots and leaves

c)

oxygen and carbon dioxide

d)

oxygen and glucose

5.

All the living and nonliving things in an environment are called

a)

a family

b)

a food web

c)

a population

d)

an ecosystem

6.

Decomposers are important in the food chain because they…

a)

produce their own food using light from the Sun.

b)

stop the flow of energy from one organism to another.

c)

break down dead organisms and recycle nutrients into the soil.

d)

are microscopic and other organisms cannot consume them.

7.

Which of the following are examples of organisms?

a)

sunlight and oxygen

b)

eating and exercising

c)

roots and stems

d)

plants and animals

8.

What is the name of the gas that consumers release when they exhale?

a)

carbon dioxide

b)

oxygen

c)

chlorophyll

d)

nitrogen

9.

A raccoon eats nuts, leaves, crayfish, frogs, and garbage.

a)

It is a producer.

b)

It is an herbivore.

c)

It is a carnivore.

d)

It is an omnivore.

10.

Coyotes are natural predators of deer.

If coyotes are removed from the ecosystem, what will most likely happen to the deer population?

a)

The deer population will decrease.

b)

The deer population will remain the same.

c)

The deer population will increase.

d)

It can't be predicted.

11.

These tiny, basic building blocks make up all organisms:

a)

roots

b)

cells

c)

tissue

d)

fibers

12.

A group of organisms of the same species (type) that live in the same place is called

a)

an ecosystem

b)

an environment

c)

a habitat

d)

a population

13.

You add some fish you caught in Lake Erie to your backyard pond.

The fish aren't native to that pond.

They start eating all the other fish, and algae now covers the pond.

The Lake Erie fish are examples of:

a)

herbivores

b)

decomposers

c)

an invasive species

d)

offspring

14.

If an organism's environment drastically changes, the organism must adapt, migrate, or it will become...

a)

extinct

b)

an adaptation

c)

a decomposer

d)

a predatore

15.

Which kind of organism is always at the start of a food chain?

a)

producer

b)

consumer

c)

carnivore

d)

omnivore

16.

Plants use the Sun's energy and other materials to produce a substance inside the leaf.

This product is used by the plant to make energy, it is a sugar (carbohydrate) called:

a)

glucose

b)

stoma

c)

chlorophyll

d)

carbon dioxide

17.

A special trait of an animal’s body (hollow bones of a bird) or an animal’s behavior (caribou migrate, a wolf howls), which help the animal survive where it lives is called:

a)

a hibernation

b)

a migration

c)

an adaptation

d)

a population

18.

Animals need food to survive.

Which of the following is an adaptation to help an animal find food?

a)

thick fur of a rabbit

b)

stripes on a zebra’s fur

c)

long legs and keen eyesight of a coyote

d)

webbed feet of a beaver

19.

The process by which plants use sunlight, carbon dioxide and water to make their own food is called:

a)

respiration

b)

photosynthesis

c)

transpiration

d)

pollination

20.

What plant structure is responsible for taking in water and nutrients from soil?

a)

stem

b)

leaves

c)

flower

d)

roots

21.

Use this diagram to answer the question:


Plant > Insect > Fish > Bird


Which organism in this food chain is both predator and prey?

a)

plant

b)

insect

c)

fish

d)

bird

22.

Which best describes the role of a producer in an ecosystem?

a)

to use energy from the sun to make food

b)

to decompose dead organisms

c)

to eat other living organisms

d)

to feed on dead organisms

23.

The process of plants releasing water vapor into the atmosphere is called...

a)

respiration

b)

adaptation

c)

transpiration

d)

fertilization

24.

The ultimate goal of all organisms is:

a)

pollination

b)

adaptation

c)

respiration

d)

reproduction

25.

A bird builds a nest to

a)

hibernate in the winter

b)

shelter its offspring

c)

produce more feathers

d)

eliminate waste

26.

All cells are alive.

All cells need to make energy for life processes.

What do all plant cells and animal cells need for the process of cellular respiration?

a)

sunlight and chlorophyll

b)

oxygen and glucose

c)

oxygen and carbon dioxide

d)

water and carbon dioxide

27.

This is where photosynthesis occurs.

Which part of the plant is sometimes called the “food factory?”

a)

flower

b)

stem

c)

roots

d)

leaves

28.

Which plant structure produces seeds for reproduction?

a)

roots

b)

flower

c)

stem

d)

leaf

29.

The diagram above shows a deer in a woodland environment. Identify two ways that the deer depends on plants to survive. (6 pts)

a)

food and water

b)

food and shelter

c)

beauty and relaxation

d)

water and shelter

30.

The diagram above shows a penguin. This penguin lives near water in a very cold environment. Three body structures are labeled.


A. Select a body structure labeled in the diagram.

B. How does it helps the penguin survive in its environment.

Body structure: _____________

How does this body structure help the penguin survive in its environment?



Check all that apply.

a)

Pointed beak - used to catch food

b)

Pointed beak - used to carry rocks

c)

Body fat - helps keep the penguin warm

d)

Body fat - help the penguin to not slide on the ice

e)

Webbed feet - help the penguin to swim

31.

Use this diagram to answer the question.

If the population of organism A decreases, the population of organism B would most likely...

a)

increase

b)

decrease

c)

stay the same

32.

Use this diagram to fill in the blank.


If the population of organism D decreases, the population of organism C would most likely...

a)

decrease

b)

increase

c)

stay the same

33.

Use this diagram to answer the question below.


Which organism in this food chain is needed for all the other organisms to survive?

a)

plant

b)

insect

c)

fish

d)

bird