MediumZoologyPorifera
+4 / -1
In which of the following paris of animals, digestion is intracellular and water is taken through pores in the body ?
A
Euspongia and Spongilla
B
Hydra and Physalia
C
Herdmania and Balanoglossus
D
Pleurobrachia and Scypha
Explanation
Euspongia and Spongilla comes in phylum porifera. In this phylum intracelluar system is present. Water takes from pores. called ostia and osculum. Thus the right answer is option A.
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