Pyramids of biomass

12 questions

1. Look at the food web diagram below. Which of the organisms is a herbivore?
2. Look at the food web diagram below. Which of the organisms is a carnivore?
3. Look at the food web diagram below. Which of the organisms is an omnivore?
4. Producers make their food from which **two** of the following?
5. Look at the food chain diagram and match the organism to the correct description.
6. Look at the pyramid of numbers diagram. How many producers are there in the population?
7. What is meant by the term 'trophic level' when we talk about food chain diagrams?
8. The dry mass of organisms at each trophic level is called ...
9. Pyramids of numbers are not as good as pyramids of biomass because...
10. The following diagram is a pyramid of biomass. The population of which organism has the largest biomass?
11. Look at the food chain diagram and its pyramid of biomass. Put the organisms in the order of biomass (largest first).
12. What is the biomass of the oak tree in this pyramid of biomass?

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