Biology, asked by pavanchowdary9048, 8 months ago

What is protozoa?
what are the character of phylum echinodermata?

Answers

Answered by adityasrivastava6578
0

These are exclusively marine animals. The larval forms show bilateral symmetry and adult forms show radial symmetry. They are triploblastic. It exhibits organ system grade of organisation.

Explanation:

Answered by rohithpulabala
2

Answer:

Protozoa is a type of micro organisms that are unicellular and have animal - like characteristics.

Characteristics of Phylum Echinodermata :

1) They exhibit organ level of organization.

2) They are triploblastic and have a coelomic cavity.

3) The skeleton is made up of calcium carbonate.

4) They have an open circulatory system.

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