Quiz about Energy and Matter in Ecosystems

Question 1

Choose all the items made out of carbon

Accepted Answer

Food

Accepted Answer

Animals

Accepted Answer

Plants

Accepted Answer

Rock

Question 2

What do 'plants' do with the carbon they receive?

Accepted Answer

They turn it into food by photosynthesis

Answer

They turn it into water

Answer

They don't need carbon

Answer

They keep it forever

Question 3

How does carbon get from animals and back into the atmosphere? (CHOOSE ALL THAT APPLY)

Accepted Answer

After they die, they are broken down by decomposers

Accepted Answer

Respiration (breathing)

Answer

Photosynthesis

Answer

None of these

Question 4

How do animals get carbon?

Accepted Answer

They eat other plants and animals

Answer

Photosynthesis

Answer

They absorb it from the atmosphere

Answer

The sun

Question 5

What is CO2?

Accepted Answer

Carbon Dioxide

Answer

Air

Answer

Oxygen

Answer

Dioxide

Question 6

All things are made out of carbon or need carbon to live.

Accepted Answer

True

Answer

False

Question 7

Choose the things that take carbon dioxide (CO2) out of the air.

Accepted Answer

Plants

Accepted Answer

Water

Accepted Answer

Trees

Answer

Humans

Question 8

If the plant population decreased, the amount of carbon dioxide in the atmosphere would _________.

Accepted Answer

Increase

Answer

Stay the same

Answer

Decrease

Question 9

Combustion is another word for __________.

Accepted Answer

Burning

Answer

Transportation

Answer

Respiration

Answer

Fossil Fuels

Question 10

What kind of organism takes out the most carbon from the atmosphere?

Accepted Answer

Plants

Answer

Bacteria

Answer

Animals

Answer

Humans

Question 11

Check all the ways that carbon dioxide is ADDED to the atmosphere.

Accepted Answer

Decomposition

Accepted Answer

Diffusion

Accepted Answer

Combustion

Accepted Answer

Respiration

Answer

Photosynthesis

Question 12

What are the two main reservoirs for carbon dioxide?

Accepted Answer

Ocean, atmosphere

Answer

Ocean, fossil fuels

Answer

Atmosphere, fossil fuels

Answer

Calcium Carbonate, ocean

Question 13

How much of the atmosphere is composed of nitrogen gas?

Accepted Answer

78%

Answer

87%

Answer

38%

Answer

21%

Question 14

_____ is the conversion of organic nitrogen into ammonia

Accepted Answer

Ammonification

Answer

Nitrogen Fixation

Answer

Denitrification

Answer

Assimilation

Question 15

What converts nitrogen gas into a usable form for plants and animals?

Accepted Answer

bacteria

Answer

rain

Answer

fungi

Answer

car exhaust

Question 16

A correct path that nitrogen could take would be

Accepted Answer

air -> bacteria -> plants -> animals

Answer

air -> animals -> plants -> bacteria

Answer

animals -> air -> bacteria -> plants

Answer

bacteria -> air -> plants -> animals

Question 17

The biological transformation of ammonia or ammonium to nitrites and nitrates.

Accepted Answer

nitrification

Answer

ammonification

Answer

denitrification

Answer

nitrogen fixation

Question 18

How is nitrogen "fixed" into a usable form for plants?

Accepted Answer

Through action of bacteria and lightning

Answer

Through action of bacteria only

Answer

Through lightning only

Answer

Through photosynthesis

Question 19

This picture of the mirror shows an example of--

Accepted Answer

condensation

Answer

precipitation

Answer

transpiration

Answer

evaporation

Question 20

This picture shows -

Accepted Answer

precipitation

Answer

evaporation

Answer

condensation

Answer

transpiration

Question 21

What is the source of energy for the Water Cycle?

Accepted Answer

Sun

Answer

Ocean

Answer

Wind

Answer

Moon

Question 22

Select the three main parts of the Water Cycle.

Accepted Answer

Precipitation

Accepted Answer

Condensation

Accepted Answer

Evaporation

Answer

Ground Water

Question 23

The process of water that is added to the atmosphere from plants is called

Accepted Answer

Transpiration

Answer

Condensation

Answer

Evaporation

Answer

Precipitation

Question 24

The image shows various stages in the water cycle. During which stage does water flow back towards the sea as runoff?

Accepted Answer

Z

Answer

W

Answer

X

Answer

Y

Question 25

Condensation occurs when water vapor_____________.

Accepted Answer

cools off and becomes liquid water

Answer

heats up and becomes liquid water

Answer

freezes and becomes ice

Answer

rains on the land

Question 26

The water cycle has

Accepted Answer

no beginning an no end.

Answer

a beginning and an end.

Answer

only a beginning.

Answer

only an end.

Question 27

Water running off the land surface

Accepted Answer

Run-off

Answer

Evaporation

Answer

Sublimation

Answer

Transpiration

Question 28

Organism that eats other organisms to get energy

Accepted Answer

Consumer

Answer

Producer

Answer

Plant

Answer

Food chain

Question 29

A parrot eats fruit, seeds, and insects.  Which of the following terms best describes a parrot?

Accepted Answer

Omnivore

Answer

Herbivore

Answer

Carnivore

Answer

Producer

Question 30

A field mouse eats grass and grass seeds.  Which of the following terms best describes a field mouse?

Accepted Answer

Herbivore

Answer

Producer

Answer

Carnivore

Answer

Decomposer

Question 31

Mushrooms break down dead and decaying wood in the forest.  Which of the following terms best describes the mushroom?

Accepted Answer

Decomposer

Answer

Mold

Answer

Algae

Answer

Parasite

Question 32

Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?

Accepted Answer

The rabbit population may decrease

Answer

The rabbit population may increase

Answer

The rabbit population may increase first, then decrease

Answer

The rabbit population will remain the same

Energy and Matter in Ecosystems

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