UK GCSE · Biology
Ecology
12 practice questions, each with the answer and an explanation.
Practise Ecology now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 12 questions
- What is a producer in a food chain?
- In the food chain grass, rabbit, fox, what is the rabbit?
- What is the effect on a population of rabbits if the number of foxes falls sharply?
- Why is only about 10 percent of the energy passed on at each trophic level?
- Which gas is produced by the decay of dead plants in conditions with no oxygen?
- Which process returns carbon dioxide to the atmosphere?
- Which is the main cause of an increase in the greenhouse effect?
- What is biodiversity?
- Which method would give the best estimate of the number of daisies on a school field?
- Which adaptation helps a camel to survive in a desert?
- What is the name for an organism that lives on or in another organism and harms it?
- A farmer uses a pesticide that is not broken down. Why might top predators be most affected?
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