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NCERT Class VIII Science Solutions: Chapter 7 - Conservation of Plants and Animals Part 5

Question 5:

Answer in brief:

  1. Why should we conserve biodiversity?
  2. Protected forests are also not completely safe for wild animals. Why?
  3. Some tribals depend on the jungle. How?
  4. What are the causes and consequences of deforestation?
  5. What is Red Data Book?
  6. What do you understand by the term migration?

Answer:

  1. We should conserve biodiversity because it is very important for all living organisms and for the environment. We should conserve biodiversity to save it from becoming extinct.
    Illustration: NCERT Class VIII Science Solutions: Chapter 7 - Conservation of Plants and Animals Part 5
  2. Protected forests are not completely safe for wild animals because poachers have found access in these areas and killing animals. There is a need to make strict rules against poaching and trespassing.
    Illustration: NCERT Class VIII Science Solutions: Chapter 7 - Conservation of Plants and Animals Part 5
  3. Some tribals are still dependent on the jungle for their food, fuel, wood, shelter etc. They live in forests and are dependent on them.
    Illustration: NCERT Class VIII Science Solutions: Chapter 7 - Conservation of Plants and Animals Part 5
  4. The main cause of deforestation is growing urbanization and industrialization. Need for more land and resources have led to the cutting down of forests. The consequences of deforestation are desertification and natural calamities. It has also rendered many species of plants and animals unprotected and un-conserved.
  5. Red Data Book keeps the record of all the endangered animals and plants. Different record books are maintained for endangered animals and endangered plants.
  6. For the purpose of breeding and specific purposes some species of birds and animals move from their habitat to some other habitat. The birds move to far away areas every during a particular time because of climatic changes and return to their original habitat after some time. This periodical of some species is known as migration.