Question

A. Name the following:
(a) Animals which spend their lives fixed to a substratum.
(b) Formation of a cyst by secreting a hard resistant covering.
(c) Animals that live in sea water.
(d) A wide opening in sponges for passing out water.
(e) A true internal body cavity in which well developed organs can be accommodated.​

Answer 1

Answer:

1. Algae
2. Amoeba
3. Aquatic Animal
4. Osculum
5. Coelom

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Answer 2

Answer:

hope it helps you.

Explanation:

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