SELECT * FROM question_mgmt as q WHERE id=4476 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=49 AND chapterId=346 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th social-science-contemporary-india-ii Forest and Wildlife Resources answer the following questions in about 30 words

Question:

Answer the following questions in about 30 words.

(i) What is biodiversity? Why is biodiversity important for human lives?
(ii) How have human activities affected the depletion of flora and fauna? Explain.

Answer:

(i) All the species on this Earth are living in a system having multiple networks of interdependencies. Biodiversity is the variation of wildlife and cultivated species in a given ecosystem. In this interconnected web, each organism is a producer, consumer or decomposer.

Human beings also depend on several biotic and abiotic factors for their survival like they obtain food from plants and animals. They are dependent on many other species to run their business  and industries.

(ii) Human activities affected the depletion of flora and fauna are:

  1. Hunting animals for their skin, tusk, bone teeth & horns etc, led many species to the verge of extinction.

  2. Human activities such as deforestation, housing plans, factories infrastructure, commercial, scientific forestry, mining etc are to blame for the depletion of flora and fauna.

  3. Various dam and river valley projects resulted in a decline of forest cover.

  4. Increasing environmental pollution and forest fires due to global warming resulted in depletion of valuable forest and wildlife.


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