Nature & science · Age 11 · Quarter 3 – Advanced Ecology
The Nitrogen Cycle and Nutrient Cycling
Understand how nitrogen and other nutrients cycle through ecosystems.
Module
Quarter 3 – Advanced Ecology
Age
Age 11
Duration
10 min
Questions
5
What's in this exercise
Answers are hidden — sign up to practise and check your work.
Question 1
Multiple choice
Nitrogen is important for living organisms mainly because it is needed to make:
Question 2
Multiple choice
How do most plants absorb nitrogen?
Question 3
Multiple choice
Which organisms are responsible for fixing atmospheric nitrogen into a form plants can use?
Question 4
True or false
When plants and animals die, decomposers break them down and release nutrients back into the soil.
Question 5
Matching
Match each part of the nitrogen cycle to what happens.