What can cause disruptions to food webs?

In this lesson we will learn about the main factors that are affecting food webs and changing our planet's ecosystems.

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:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Q1.In a food web, what do the arrows represent?

1/4

Q2.Is a brown trout a consumer or a producer?

2/4

Q3.Is pond weed a producer or a consumer?

3/4

Q4.If a ladybird gets its energy by eating aphids and small insects, does this make it a consumer or producer?

4/4

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:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Q1.In a food web, what do the arrows represent?

1/4

Q2.Is a brown trout a consumer or a producer?

2/4

Q3.Is pond weed a producer or a consumer?

3/4

Q4.If a ladybird gets its energy by eating aphids and small insects, does this make it a consumer or producer?

4/4

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.

Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

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:

What can cause disruptions to food webs?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Question 1

Question 2

Question 3

Question 4

Q1.Which of these is NOT a cause of disruption to food webs?

1/4

Q2.Deforestation can affect food webs because...

2/4

Q3.Why can pesticides affect a food web?

3/4

Q4.What is global warming?

4/4

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:

What can cause disruptions to food webs?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Question 1

Question 2

Question 3

Question 4

Q1.Which of these is NOT a cause of disruption to food webs?

1/4

Q2.Deforestation can affect food webs because...

2/4

Q3.Why can pesticides affect a food web?

3/4

Q4.What is global warming?

4/4

Lesson summary: What can cause disruptions to food webs?

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Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance

Take part in The Big Ask.

The Children's Commissioner for England wants to know what matters to young people.

Share your views and have your voice heard.

This was the final lesson in the unit Ecosystems.

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