Q1 of 24 Page 75

Identify me.

My body is radially symmetrical. Water vascular system is present in my body. I am referred as fish though I am not. What is my name?

Star fish

Explanation- Starfish belong to the phylum Echinodermata. Their body is triploblastic, acoelomate and are radially symmetrical in the adult stage.


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1

Identify me.

I am diploblastic & acoelomate. Which phylum do I belong to?

 1

Identify me.

I live in your small intestine. Pseudocoelom is present in my thread like body. In which phylum will you include me?

 1

Identify me.

Though I am multicellular, there are no tissues in my body. What is the name of my phylum?

 2

Write the characters of each of the following animals with the help of classification chart.

Bath sponge, grasshopper, rohu, penguin, frog, lizard, elephant, jellyfish.