1Sycon, earthworm, cockroach, starfish, fish, pigeon and cow: which kingdom do these animals belong to?
2Do these animals have a cell wall in their cells?
3Which of these animals have a vertebral column?
4What differences are found between a starfish and a fish?
5What is the reason for placing all these animals in one kingdom?
6Where can Spongilla, Sycon and Euspongia be found?
7How do sponges perform nutrition and excretion?
8How do sponges move from one place to another?
9What may be the function of the outgrowths arising from the body of Hydra, jellyfish and coral?
10How do Hydra, jellyfish and coral obtain their food?
11What is the structure of the body of Hydra, jellyfish and coral?
12What is the water canal system? Why is it so important to a sponge?
13Why is the coelenteron also called the gastrovascular cavity?
14Give three differences between Porifera and Coelenterata.
15What is regeneration? How does it help a sponge?
16Name the nine phyla of Kingdom Animalia and say which one holds the vertebrates.