Decomposers and Their Ecosystem Roles

Decomposers and Their Ecosystem Roles

Assessment

Interactive Video

Biology

6th - 7th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explores the role of decomposers in ecosystems, focusing on their ability to break down dead matter and release energy through cellular respiration. It highlights the importance of decomposers in recycling nutrients like carbon and nitrogen, making them available to other organisms. The tutorial also introduces the concept of cellular respiration, explaining how decomposers release carbon dioxide into the atmosphere. The lesson concludes with a discussion on the ecological significance of decomposers and hints at future explorations of related topics.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of decomposers in an ecosystem?

To produce energy from sunlight

To create new organisms

To break down dead matter

To consume living organisms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a decomposer?

Bacteria

Trees

Worms

Fungi

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process do decomposers use to release energy from dead matter?

Transpiration

Cellular respiration

Fermentation

Photosynthesis

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During cellular respiration, what is released into the atmosphere?

Hydrogen

Carbon dioxide

Oxygen

Nitrogen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What important element do decomposers release from dead matter?

Helium

Carbon

Oxygen

Sulfur

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Besides carbon, what other nutrient do decomposers make available to the ecosystem?

Calcium

Phosphorus

Nitrogen

Potassium

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organisms are responsible for releasing carbon dioxide through cellular respiration?

Only producers

Only decomposers

Only consumers

Decomposers, producers, and consumers

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