Biology, 02.01.2021 19:10, Weser17

Calcareous spicules are formed by (a) Scleroblasts
(by Calcoblasts
(c) Silicoblasts
(d) Spongioblasts
The cavity present in sponge is
(a) Gastrovascular cavity (b) Spongocoel
(c) Paragastric cavity (d) Both b and c
In sponges, nitrogenous waste is eliminated in the
( a) Ammonia
(b) Urea

Answers: 1

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Calcareous spicules are formed by (a) Scleroblasts
(by Calcoblasts
(c) Silicoblasts
...