Carbon - Oxygen Cycle

1.

Multiple Choice

30 sec

1 pt

What does an "exchange of gases" mean?

It means that gases are apart of everything.

It means that orange juice is an upside down milkshake with a missing tail.

It means that humans and plants trade gases back and forth.

It means that carbon in apart of all living things.

2.

Multiple Choice

30 sec

1 pt

Which type of organism gets its energy directly from the Sun?

producer

consumer

composer

decomposer

3.

Multiple Choice

30 sec

1 pt

Which statement is true about the carbon dioxide-oxygen cycle?

animals breathe in nitrogen and release oxygen which is used by plants

animals breathe in oxygen and release carbon dioxide which is used by plants

animals breathe in nitrogen and release carbon dioxide which is used by plants

animals breathe in carbon dioxide and release oxygen which is used by plants

4.

Multiple Choice

30 sec

1 pt

Animals and plants use substances that cycle through the environment. Which substance is needed by plants to survive and is released into the environment by animals?

oxygen

sugar

salt

carbon dioxide

5.

Multiple Choice

30 sec

1 pt

The CO2/O cycle is important to animals because it provides

a gas they take in when breathing

chemicals that build bones

energy they need to move

fresh water for their survival

6.

Multiple Choice

30 sec

1 pt

Plants use _____________ to make their own food during photosynthesis.

water

energy from the Sun

CO2

water, energy from Sun, CO2

7.

Multiple Choice

30 sec

1 pt

In the CO2/O cycle arrows in a diagram represents __________.

The cycling of water through the environment.

The cycling of nitrogen through the environment.

The cycling of CO2 and O through the environment.

The cycling of energy through nonliving parts of the environment.

8.

Multiple Choice

30 sec

1 pt

Which of the following is an example of a decomposer?

Owl

Fish

Tree

Mushroom

9.

Multiple Choice

20 sec

1 pt

Organisms that do not decompose can be buried and become what?

water

nutrients

air

fossil fuels

10.

Multiple Choice

30 sec

1 pt

All of the carbon in existence is continually recycled in the carbon cycle

True

False

11.

Multiple Choice

30 sec

1 pt

In what process is Carbon transformed into chemical energy?

Photosynthesis

Respiration

Primary Production

Secondary Production

12.

Multiple Choice

30 sec

1 pt

The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?

X : Respiration
Y : Predation

X : Adaptation
Y : Decomposition

X : Fermentation
Y : Nitrogen Fixation

X : Decomposition
Y : Respiration

13.

Multiple Choice

30 sec

1 pt

How do animals get carbon?

By eating plants and or other animals.

They absorb it from the atmosphere.

From the ground

They do not get carbon from anywhere.

14.

Multiple Choice

30 sec

1 pt

Which of the following are fossil fuels?

Coal, water, oil

Oxygen, coal, oil

Coal, Oil, Natural Gas

None of the above

15.

Multiple Choice

30 sec

1 pt

How does the carbon in grass become part of a lion?

The lion eats the grass

Carbon from grass doesn't end up in a lion.

The carbon ends up in the lion's food chain.

The lion breathes in carbon given out by the plant

16.

Multiple Choice

30 sec

1 pt

Burning fossil fuel has which effect in the carbon cycle?

It removes carbon dioxide from the atmosphere.

It puts carbon dioxide under the ground.

It adds carbon dioxide to the atmosphere.

It has no effect in the carbon cycle.

17.

Multiple Choice

1 min

1 pt

Which of the following add carbon dioxide to the atmosphere?

volcanoes

combustion of fossil fuels

animal and plant respiration

all of these

18.

Multiple Choice

1 min

1 pt

What is happening at 1?

respiration: releasing CO₂

decomposing CO₂ in the soil

photosynthesis: absorbing CO₂

turning CO₂ from the atmosphere into organic molecules

19.

Multiple Choice

1 min

1 pt

What is happening at 2?

respiration: releasing CO₂

decomposing CO₂ in the soil

photosynthesis: absorbing CO₂

turning CO₂ from the atmosphere into organic molecules

20.

Multiple Choice

1 min

1 pt

What is happening at 4?

respiration: releasing CO₂

decomposing CO₂ in the soil

photosynthesis: absorbing CO₂

turning CO₂ from the atmosphere into organic molecules

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