Question

Select the correct option with respect to characteristic. Features of given animals :
(A) Annelida : Metamerically segmented and schizocoelomate animals.
(b ) Arthropoda : joined appendages with a closed circulatory system.
(C) Ctenophora: shown bioluminescence and also known as sea walnuts.
(d) porifera : Archaeocytes are called collar cells. lines the spongocoel .

Answer 1

Answer:

(b ) Arthropoda : joined appendages with a closed circulatory system.

(d) porifera : Archaeocytes are called collar cells. lines the spongocoel .

option B & D both are correct.

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