Question

Coelentrates can be identified with

a) External rows of comb plates

b) Triploblastic germs layer with segmented body

c) Stinging cells on the tentacles

d) Spongy body with ostia across the body wall
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Answer 1

Answer:

Their is no answer .

Explanation:

BUT IT CAN BE IDENTIFIED BY THE FOLLOWING:

1.THEY HAVE A COELENTERON i.e. HOLLOW BODY CAVITY.

2.MOUTH IS PRESENT BUT ANUS IS ABSENT.

3.MOUTH REMAINS SURROUNDED BY TENTACLES.

4.BREATHING TAKES PLACE THROUGH GENERAL BODY SURFACE.

5.THEY REPRODUCE BY BUDDING OR REGENERATION.

6.THEY ARE DIPLOBLASTIC ANIMALS.

7.LOCOMOTION TAKES PLACE WITH THE HELP OF TENTACLES.

FOR EXAMPLES: HYDRA,SEA ANEMONE,CORAL etc.

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