Food Chains and Food Webs
Biology ⇒ Ecology and Environment
Food Chains and Food Webs starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Food Chains and Food Webs.
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See sample questions for grade 10
Describe the role of decomposers in a food web.
Describe what is meant by the term 'trophic level'.
Describe what would happen to a food web if all the decomposers were removed.
Explain the difference between a food chain and a food web.
Explain why energy transfer between trophic levels is inefficient.
Explain why food webs are considered more stable than food chains.
If a disease kills all the grass in a grassland ecosystem, what is the most likely effect on the population of grasshoppers?
If only 10% of energy is transferred from one trophic level to the next, how much energy would be available to secondary consumers if producers have 10,000 units of energy?
In a forest food web, what would likely happen if all the insect-eating birds disappeared?
Which organism is at the top of the following food chain: Grass → Grasshopper → Frog → Snake → Hawk?
