I keep getting “Food chain vs food web” questions wrong in Ecosystem & Ecology. What's the trap?
assuming each organism eats only one type of food.
The usual trap: assuming each organism eats only one type of food. How to avoid it: a food web is many interconnected food chains — more realistic and stable. Go back to the definition — real ecosystems are interlinked food webs rather than single isolated food chains.
Key point
Food chain vs food web
Common mistake
assuming each organism eats only one type of food.
Memory tip
a food web is many interconnected food chains — more realistic and stable.
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