AP/DE Bio 101 - Video Recap - Phytoplankton & Carbon Cycling

AP/DE Bio 101 - Video Recap - Phytoplankton & Carbon Cycling

11th Grade

12 Qs

quiz-placeholder

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AP/DE Bio 101 - Video Recap - Phytoplankton & Carbon Cycling

AP/DE Bio 101 - Video Recap - Phytoplankton & Carbon Cycling

Assessment

Quiz

Science

11th Grade

Medium

NGSS
HS-LS2-5, HS-ESS2-6, MS-LS1-6

+7

Standards-aligned

Created by

Marcy Maulucci-Bragdon

Used 4+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process do plants use to remove carbon from the atmosphere?

Respiration

Photosynthesis

Decomposition

Combustion

Answer explanation

Plants use photosynthesis to absorb carbon dioxide from the atmosphere, converting it into glucose and oxygen using sunlight. This process is essential for their growth and helps reduce atmospheric carbon levels.

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which tiny marine plants are the base of the marine food web?

Zooplankton

Phytoplankton

Algae

Seaweed

Answer explanation

Phytoplankton are tiny marine plants that form the foundation of the marine food web, serving as the primary producers that convert sunlight into energy, which supports a wide range of marine life.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does carbon move up the food chain in the ocean?

Through photosynthesis

By being eaten by animals

By dissolving in water

Through decomposition

Answer explanation

Carbon moves up the food chain in the ocean primarily by being eaten by animals. When smaller organisms, like phytoplankton, are consumed by larger animals, carbon is transferred through the food web.

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do phytoplankton play in the Earth's oxygen production?

They produce all of the Earth's oxygen.

They produce half of the Earth's oxygen.

They produce none of the Earth's oxygen.

They produce a quarter of the Earth's oxygen.

Answer explanation

Phytoplankton are crucial for oxygen production, contributing about half of the Earth's oxygen through photosynthesis. This makes them essential for maintaining the planet's oxygen levels.

Tags

NGSS.HS-LS2-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to carbon when phytoplankton die and decompose?

It is released as oxygen.

It is recycled in surface waters or sinks to the ocean floor.

It is converted into fossil fuels.

It is absorbed by marine animals.

Answer explanation

When phytoplankton die, the carbon they contain is recycled in surface waters or sinks to the ocean floor, contributing to the ocean's carbon cycle. This process helps maintain the balance of carbon in marine ecosystems.

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-3

NGSS.HS-LS2-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain how the ocean acts as a carbon sink.

It releases carbon into the atmosphere.

It absorbs carbon through physical and biological processes.

It stores carbon in the form of fossil fuels.

It converts carbon into oxygen.

Answer explanation

The ocean acts as a carbon sink by absorbing carbon dioxide from the atmosphere through physical processes like diffusion and biological processes such as photosynthesis by marine plants, helping to regulate global carbon levels.

Tags

NGSS.HS-ESS2-6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the impact of increased CO2 levels on ocean acidity?

It decreases ocean acidity.

It has no effect on ocean acidity.

It increases ocean acidity.

It neutralizes ocean acidity.

Answer explanation

Increased CO2 levels lead to more carbonic acid formation in oceans, which lowers pH and increases acidity. Therefore, the correct answer is that it increases ocean acidity.

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

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