Available Answers

1. 1.

   What may happen if a single species in the forest disappears?

2. 2.

   Fill in the blanks.

   1. All animals whether herbivore or carnivore depend ultimately on ________________ for food.
   2. Fungi and bacteria are ________________.
   3. All carnivores and omnivores are the ________________.
   4. In a forest, ________________ form the uppermost layer, followed by ________________ and ________________ forms the lowermost layer of vegetation.
   5. The ________________ community is considered as the first environmentalists of India.
3. 3.

   How are forests useful to us?

4. 4.

   Briefly explain the effects of deforestation.

5. 5.

   What are decomposers? Give 2 examples.

6. 6.

   Why forests are called green lungs?