Question

1 In porifera, the water is taken in through _____________ and given out through _____________
2 Animals attached to substratum are called _____________ animals.
3 In conclenterates _____________ are useful and on capturing the prey whereas _________ inject the tax in body of prey.
4 Body of annelid an animal is long cylindrical and ____________ segmented.
5 __________ second largest phylum in animal kingdom.
6 Endoskeleton of cyclostomata animals is __________
7 Body cavity between the body and internal organs is called __________

Answer 1

1. In porifera, the water is taken in through ostia and given out through osculum.

2. Animals attached to substratum are called sessile animals.

3. In coelenterates cnidocytes are useful and on capturing the prey whereas nematocysts inject the tax in the body of prey.

4. Body of annelid an animal is long cylindrical and budding segmented.

5. Mollusca second largest phylum in animal kingdom.

6. Endoskeleton of cyclostomata animals is fibrous and cartiliganeous.

7. Body cavity between the body and internal organs is called coelom.