Food Chains and Food Webs — Quiz
1.
In the food chain: Grass → Rabbit → Fox → Eagle, what is the RABBIT's role?
2.
What do the ARROWS in a food chain show?
3.
If grass contains 10,000 energy units, approximately how much energy dös a secondary consumer in the same food chain receive?
4.
Why is a food WEB a more realistic model of an ecosystem than a single food CHAIN?
5.
What is the role of decomposers in a food web, and why would ecosystems struggle without them?
6.
Explain what might happen to a meadow food web if all the foxes were removed. Describe at least two effects at different trophic levels.