Nutrient Cycles Review

Nutrient Cycles Review

Assessment

Flashcard

Science

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What are autotrophs?

Back

Organisms that produce their own food through photosynthesis or chemosynthesis, such as plants and some bacteria.

2.

FLASHCARD QUESTION

Front

What is nitrification?

Back

The process of converting ammonia into nitrites and then into nitrates, making nitrogen more usable for plants.

3.

FLASHCARD QUESTION

Front

What is combustion in the carbon cycle?

Back

A process that releases carbon dioxide into the atmosphere by burning fossil fuels or organic matter.

4.

FLASHCARD QUESTION

Front

What is denitrification?

Back

The process of converting nitrates back into nitrogen gas, releasing it into the atmosphere.

5.

FLASHCARD QUESTION

Front

What are nitrates?

Back

The usable form of nitrogen that plants absorb from the soil, essential for their growth.

6.

FLASHCARD QUESTION

Front

What role do decomposers play in nutrient cycles?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and making them available for plants.

7.

FLASHCARD QUESTION

Front

What is the carbon cycle?

Back

The process by which carbon is exchanged between the atmosphere, land, water, and living organisms.

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