Bioaccumulation

12 questions

1. Look at the woodland food web. Which of the following organisms is an apex predator?
2. Look at the woodland food web. Which of the following organisms is a producer?
3. An ecosystem includes...
4. Look at the food chain diagram. What things will happen if the deer die out?
5. Farmers use chemicals to help them produce enough food for the human population. Having enough food for the human population is called...
6. Chemicals which kill pests are called ...
7. What does the hazard symbol mean?
8. Match the words with their correct meanings.
9. Toxic chemicals can build up in organisms in a food chain. This is known as ...
10. Look at the food web diagram. Which of the organisms would be killed by a herbicide?
11. Look at the food web diagram. How many organisms would be killed directly by an insecticide?
12. Look at the food chain diagram. Which of the organisms is most likely to build up toxic levels of insecticide in their bodies?

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