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Understanding the Phosphorus Cycle

Authored by Loree Cox

Science

11th Grade

NGSS covered

Used 7+ times

Understanding the Phosphorus Cycle
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary source of phosphorus on Earth?

The atmosphere

Rocks and minerals

Oceans

Plants

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process releases phosphorus from rocks into the soil?

Photosynthesis

Erosion and weathering

Combustion

Evaporation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does phosphorus primarily enter aquatic ecosystems?

Through atmospheric deposition

Through runoff from land

Through volcanic eruptions

Through animal respiration

Tags

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is phosphorus considered a limiting nutrient in many ecosystems?

It is abundant in the atmosphere

It is not required by most organisms

It is often in short supply relative to demand

It is toxic to most plants

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a way phosphorus is cycled through Earth's systems?

Through the water cycle

Through the rock cycle

Through the carbon cycle

Through the food chain

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do decomposers play in the phosphorus cycle?

They fix atmospheric phosphorus

They release phosphorus from dead organisms back into the soil

They convert phosphorus into nitrogen

They store phosphorus in their bodies

Tags

NGSS.MS-LS2-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best explains why phosphorus is essential to life?

It is a major component of DNA and RNA

It is used in the formation of proteins

It is a primary energy source for cells

It is a key component of chlorophyll

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