Question

Biology 9th class Give general characteristics of phylem porifera and phylem arthropod.​

Answer 1

Answer:

Phylum porifera:

Their bodies are asymmetrical. Body shape can be cylindrical, vase-like, rounded or sac-like. They are diploblastic animals with two layers, the outer dermal layer and the inner gastral layer. There is a gelatinous, non-cellular mesoglea, in between these two layers.

Phylum arthropod:

An arthropod is an invertebrate animal having an exoskeleton made up of a rigid chitinous body, a segmented body (having external segmentation) and jointed appendages.

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Answer 2

Characteristic Features of Phylum Porifera

Their bodies are asymmetrical. Body shape can be cylindrical, vase-like, rounded or sac-like. They are diploblastic animals with two layers, the outer dermal layer and the inner gastral layer. There is a gelatinous, non-cellular mesoglea, in between these two layers.