Food Chains and Food Webs
Biology ⇒ Ecology and Environment
Food Chains and Food Webs starts at 6 and continues till grade 12.
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See sample questions for grade 6
Describe the difference between a food chain and a food web.
Describe what would happen if decomposers were removed from an ecosystem.
Explain why energy is lost at each step in a food chain.
Explain why food webs are more realistic than food chains in showing how energy moves in an ecosystem.
Explain why there are usually fewer top predators than producers in an ecosystem.
If a disease kills most of the rabbits in a grassland, what is likely to happen to the population of foxes that eat them?
What is a food chain?
What is a food web?
What is the main difference between a consumer and a producer?
What role do decomposers play in a food web?
What would happen if all the producers in an ecosystem died?
