Available Answers

1. 1.

   Match the following.

   a. Spiracles	i. Spores
   b. Plants	ii. Cow
   c. Ferns	iii. Crow
   d. Herbivores	iv. Producers
   e. Omnivore	v. Insects

    

2. 2.

   Give examples.

   1. Biotic components
   2. Carnivores
   3. Hinge joint
   4. Migratory birds
   5. Decomposers
3. 3.

   All food chains start with green plants. Give reasons.

4. 4.

   A balance between plants and animals is essential. Give reasons.

5. 5.

   We cannot see in dark. Give reasons.

6. 6.

   Last two ribs are called floating ribs. Give reasons.