Feeding Relationships Quiz
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5 questions, one answer each
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1. What is a primary consumer?
- A. An organism that makes its own food
- B. An animal that eats producers
- C. An animal that eats other consumers
- D. A decomposer
2. Which type of ecological pyramid is almost always a true pyramid shape?
- A. Pyramid of numbers
- B. Pyramid of biomass
- C. Both are equally irregular
- D. Neither is ever a true pyramid
3. Approximately what percentage of energy is transferred between trophic levels?
- A. 1%
- B. 10%
- C. 50%
- D. 90%
4. A food chain is: oak tree → caterpillar → blue tit → sparrowhawk. What trophic level is the blue tit?
- A. Producer
- B. Primary consumer
- C. Secondary consumer
- D. Tertiary consumer
5. Why do most food chains have no more than four or five trophic levels?
- A. Predators are too large to fit more levels
- B. Producers cannot photosynthesise fast enough
- C. So much energy is lost at each transfer that too little remains to support further levels
- D. Decomposers remove all remaining organisms