Nature & science · Age 8 · Ecosystems Basics & Human Impact
Broken Chains in Nature
Understand what cause-and-effect means when an animal or plant is removed from a food chain.
Module
Ecosystems Basics & Human Impact
Age
Age 8
Duration
8 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
In the food chain Leaves → Caterpillar → Bird → Cat, if all birds disappeared, what might happen to caterpillars?
Question 2
Multiple choice
Why do scientists worry when an animal species becomes extinct?
Question 3
Multiple choice
What does it mean when scientists say a food chain is 'out of balance'?
Question 4
True or false
Removing a herbivore from a food chain has no effect on the plants it used to eat.
Question 5
Matching
Match each missing organism to the effect it would have on the food chain.