Question

1. How do poriferan animals differ
from coelenterate animals?​

Answer 1

Explanation:

porifera

they are non-motile,asymmetric

they have cellular type of organisation

they have pores on their body

they have water canal system

cnidaria /coelenterata

they are motile,radial symmetricthey have tissue level of organisation

they have only one opening

they have cnidoblasts

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Answer 2

Answer:

Poriferans are different from coelenterate in following ways-

• porifera contains many pores in the body while coelenterata contain a body cavity, which consists of a single opening.

• Mesuhyl is found in between the two cell layers of porifera while mesoglea is found in between the two cell layers of colenterata.

• Porifera possess exoskeleton while colenterata do not possess an exoskeleton.