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 9
Describe the role of sunlight in a food chain.
Describe what is meant by the term 'apex predator' in a food web.
Describe what would happen to a food web if all the producers were removed.
Explain the difference between a food chain and a food web.
Explain the importance of biodiversity in maintaining stable food webs.
Explain why energy transfer between trophic levels is inefficient.
Explain why food webs are considered more realistic representations of energy flow than food chains.
If a food chain has four trophic levels, and the producers have 10,000 kJ of energy, how much energy would you expect at the tertiary consumer level, assuming 10% energy transfer at each level?
If a pesticide kills most of the insects in a grassland, what effect might this have on the food web?
In a food web, what would likely happen if a keystone species is removed?
In a food web, which group of organisms is responsible for recycling nutrients back into the ecosystem?
In a forest food web, if the population of rabbits decreases significantly, what is likely to happen to the population of foxes?
What is the role of decomposers in a food web?
Which organism is a primary consumer in the following food chain: Grass → Grasshopper → Frog → Snake?
