Q23 of 525 Page 259

How do animals of Porifera differ from animals of Cnidaria?

Differences between Porifera and Cnidaria:

Porifera	Cnidaria
Cellular level organization.	Tissue level organization.
Mostly marine and non-motile.	Aquatic either solitary life or colonial life.
Body has canal system.	They does not have canal system
E.g., Sycon, Spongilla.	E.g., Hydra, sea anemone.

Write down four main characters of angiosperms.

Distinguish between Nonchordata and Chordata.

Distinguish between polyp and medusa.

Write doen four general characters of Porifera. Give two examples.