SELECT * FROM question_mgmt as q WHERE id=6137 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=11 AND subId=16 AND chapterId=477 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 7th science Forests: Our Lifeline explain why there is a need of variety of animals

Question:

Explain why there is a need of variety of animals and plants in a forest.

Answer:

Herbivores get more food and habitat where there is a greater variety of plants. As the number of herbivore increases, then the carnivores gets more food which is important to continue the food chain. In microorganisms, mainly decomposers maintain the supply of nutrients to the soil and helps in the growth of plants. This greater variety of plants and animals makes the forest a dynamic living entity. 


SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='11' AND subId='16' AND ex_no!=0 AND status=1 and id!=6137 ORDER BY views desc, last_viewed_on desc limit 0,10
SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='11' AND subId='16' AND ex_no!=0 AND status=1 and id!=6137 ORDER BY last_viewed_on desc limit 0,10

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  • Answered by Ekta Mehta
  • 4 months ago

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