An introduction to ecosystems

In this lesson, we will be learning about key terminology for ecosystems, and what makes up an ecosystem. Also, we will be looking at food chains and food webs.

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

An Introduction to Ecosystems

This quick quiz will help you to check your understanding of this lesson.

Q1.Decomposers scavenge for food.

1/5

Q2.Ecosystems are always the size of a pond.

2/5

Q3.Tertiary consumers are always the smallest animals in a food web.

3/5

Q4.Producers get their energy from photosynthesising.

4/5

Q5.Food webs are lots of complex food chains all together.

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

An Introduction to Ecosystems

This quick quiz will help you to check your understanding of this lesson.

Q1.Decomposers scavenge for food.

1/5

Q2.Ecosystems are always the size of a pond.

2/5

Q3.Tertiary consumers are always the smallest animals in a food web.

3/5

Q4.Producers get their energy from photosynthesising.

4/5

Q5.Food webs are lots of complex food chains all together.

5/5

Lesson summary: An introduction to ecosystems

It looks like you have not completed the quiz.

To share your results with your teacher please complete the quiz.

Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Walk

On the spot:
Dance