Unit 3: Energy Flow (Test #2)

What will MOST LIKELY happen if a new producer is introduced into a food web?

• omnivores will increase

• decomposers will decrease

• herbivores will increase

• omnivores will increase

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In food chains, the __________ is always one way.

• flow of carbon dioxide

• flow of minterals

• flow of water

• flow of energy

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-4

What happens to the amount of energy in the pyramid as it moves up through the different levels?

• increases by 10% each level

• decreases by 10% each level

• decreases by 90% each level

• increases by 90% each level

Tags

NGSS.MS-PS3-5

__________ are critical to an ecosystem because they return nutrients from dead organisms to the soil.

Tags

NGSS.MS-LS2-3

Which of the following are products of the light-dependent reactions of photosynthesis?

• H₂O and O₂

• ATP and NADPH

• O₂ and glucose

• H₂O and O₂

Which best describes the flow of gases into and out of the plant during photosynthesis?

• Carbon dioxide moves in; oxygen moves out

• Oxygen moves in; nitrogen moves out

• Oxygen moves in; carbon dioxide moves out

• Carbon dioxide moves in; nitrogen moves out

Tags

NGSS.HS-LS2-5

Why is chlorophyll important?

• It captures water to be used in the process

• It creates ATP to power the process.

• It assembles the sugar.

• It absorbs solar energy needed to create sugar

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the balanced chemical equation for photosynthesis?

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

What are the 3 factors that affect the rate of photosynthesis?

In cellular respiration, what is the net gain of ATP molecules during glycolysis?

• 6

• 32

• 2

• 4