Available Answers

1. 1.

   What are invertebrates? Give two examples.

2. 2.

   Write down the names of all the classes of vertebrates.

3. 3.

   Write two characteristic features of Phylum Cnidaria.

4. 4.

   What is nephrida? In which phylum it is found?

5. 5.

   To which phylum does centipede and millipede belong?

6. 6.

   What do you mean by cold-blooded animals? Give two examples.