Question 2:

 An ecosystem consists of _________ and ___________ factors.

Question 3:

 _________ is the life supporting zone of Earth, where litosphere,atmosphere, and hydrosphere meet and interact.

Question 4:

 Sunderbans National park is located in  _________ state of India.

Question 5:

 Earth has experienced ____ major extinctions, and we are currently experiencing the ____ one.

Question 6:

 Main factors responsible for biodiversity loss are ______, ______, _____, ______ and ________.

Question 7:

There is bound to be _________, when roads are planned and constructed that are necessary to meet human needs. But what can be done is that we make sure that development does not causes negative impacts on biodiversity.

Question 8:

 The upper portion of the atmosphere protects the organisms of the biosphere from the ________ emitted by Sun.

Question 9:

Variation in  __________ enables different species to adapt to challenges such as environmental conditions, shrinking habitats, new diseases, and helps them to survive in future.

Question 10:

 _________ acts as the life support system of our planet, and is the strong link between our well-being and our sustainable future.