Question 2:

 Animals that feed directly on plants are called __________

Question 3:

 _______ is necessary for our existence, as it forms the life support system of our planet and its inhabitants

Question 4:

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

Question 5:

 Every living organism, no matter how big or small has a crucial role to play in maintaining ______ on our planet Earth.

Question 6:

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 7:

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

Question 8:

 Sunderbans National park is located in  _________ state of India.

Question 9:

____________ is always larger than a __________. The former contains many of the latter.

Question 10:

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