Energy Flow in Ecosystems

Energy Flow in Ecosystems

Assessment

Interactive Video

Biology

6th - 8th Grade

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial by Ed Chapman covers the flow of energy through ecosystems, emphasizing that energy enters from the sun and exits as heat, without recycling. It explains the roles of producers, such as plants, in converting solar energy into chemical energy through photosynthesis. Consumers, or heterotrophs, rely on this energy by consuming plants or other animals. The video also discusses food chains and food webs, highlighting the complexity of energy transfer in ecosystems. Decomposers play a crucial role in breaking down dead material. The concept of energy pyramids is introduced, illustrating the 10% rule, where only a small fraction of energy is transferred to higher trophic levels.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary source of energy for ecosystems?

The Moon

The Ocean

The Sun

The Wind

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does energy leave an ecosystem?

As water

As heat

As sound

As light

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process do producers use to convert solar energy into chemical energy?

Fermentation

Respiration

Photosynthesis

Decomposition

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are organisms called that cannot produce their own food?

Autotrophs

Decomposers

Producers

Heterotrophs

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of consumer eats only plant material?

Decomposers

Herbivores

Omnivores

Carnivores

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a food web?

A cycle of water

A pyramid of energy

A network of interconnected food chains

A single food chain

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do decomposers play in an ecosystem?

They store energy

They break down dead material

They produce energy

They consume only plants

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?