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?

1) The variety in life existing on the earth, their inter-relationships, and their relationships with the environment is referred to as biodiversity. We should conserve biodiversity so as to maintain the food chain. The disturbance in the food chain may affect the whole ecosystem. 2) Since capturing and killing of animals by poachers is still rampant in protected forests and areas, so they are not safe for wild animals. 3) Some tribes depend on the jungle for the fulfillment of their basic needs of life, such as food, medicine, clothing, shelter, etc. 4) The causes of deforestation may be the following: 5) Natural causes like forest fires, droughts, etc. -Building factories and houses. -Procuring land for cultivation. -Making furniture and using wood as fuel. -The consequences of deforestation are: -Natural calamities like floods, etc. -Increase in the temperature of the earth, i.e., global warming. -Change in the physical properties of soil. -A decrease in groundwater level. Extinction of many flora and fauna. 5) Red Data Book is a sourcebook which keeps records of all endangered plants and animals. 6) Migration means the movement of a species from its own habitat to some other place during a certain period in a year for breeding or to overcome some climatic conditions.