Mention four characteristics of a food web.
(class 10 CBSE SAMPLE PAPER 2017-18 SCIENCE)
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90
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The four characteristics of a food web are as follows:
1.They are formed by interlinking of food chains.
2. They help in the development of the ecosystem.
3. Food webs are never straight.
4. Food web provides alternative Pathways of food availability. For example if a particular species of producer is destroyed by a disease in an ecosystem the herbivores of that area can feed on other species of producers.
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The four characteristics of a food web are as follows:
1.They are formed by interlinking of food chains.
2. They help in the development of the ecosystem.
3. Food webs are never straight.
4. Food web provides alternative Pathways of food availability. For example if a particular species of producer is destroyed by a disease in an ecosystem the herbivores of that area can feed on other species of producers.
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Answered by
45
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.
4)More complex food webs improves the adaptability and competitiveness of the organism.
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.
4)More complex food webs improves the adaptability and competitiveness of the organism.
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