Which two of the following statements regarding food chains are correct?
(i) Removal of 80% tigers resulted in increased growth of vegetation.
(ii) Removal of most carnivores resulted in increased population of deer.
(iii) Length of food chain is limited to 3-4 trophic levels due to energy loss.
(iv) Length of food chain may vary from 2-3 trophic levels.
Text Solution
Verified by ExpertsC
Removing carnivores increases deer population because fewer deer are hunted.
Food chains are usually limited to 3–4 trophic levels since energy decreases at each level.
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