Question

how do poriferan animals differ from coelenterate animals​

Answer 1

Poriferans differ from coelenterate animals Poriferans do not have a gastrovascular system because they have a cellular level of organization where individual cells do not form tissues.

while in coelenterates tissue level of organization is found so they can form a gastrovascular cavity. Nematocyst is a specialized cell in the tentacles of coelenterates which helps in defense.

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Answer 2

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• Poriferan animals are characterized by porous body, covered with spicules. They have a large cavity (Spongocoel) and a canal system. On the other hand coelenterate animals are characterized by coelenteron cavity, stinging cells (Cnidoblasts). They do not have a canal system and spicules on the body.