Question

what is food web ? give the characteristics of food web
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Answer 1

Answer:

Four characteristics of food web are: 1) It consists of number of interconnected food chains through which energy travels in an ecosystem. 2)Usually members of higher trophic level feed upon many organism of lower trophic level. 3)Presence of complex food webs increases the stability of the ecosystem.

Answer 2

1) An ecosystem consists of many food chains that are interconnected at varius levels. This is called food web.

2) A organism may be the prey for many other organisms.

3) For example, an insect feeds upon leaves of various plants but the same insect is the prey for different animals like wall lizards, birds etc.

4) This forms an intricate web instead of a linear food chain. Such an intricate network is called as food web.

5) Generally food webs are formed everywhere in nature.