Question

jelly fish:tentacles::. :Oscula and ostia

Answer 1

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Here is your answer....

Jelly fish : Tentacles :: Sponge : Osculum and Ostia .

In porifera these two osculum and ostia are present.

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Answer 2

Jellyfish: Jelly Fish: Tentacles :: Sycon: Osculla and Ostia.

In the location of Porifera, these two osculum and ostia are present.

Jellyfish are the informal name given to the medusa-phase of specific gelatinous members of the subphylum Medusozoa, is the major part of the phylum Cnidaria.

Jellyfish are primarily a type of free-swimming marine animals with umbrella-shaped bells and trailing tentacles.

A few types are not mobile, being anchored to the seabed by means of stalks.

Pulsation made by means of a bell, provide propulsion and highly effective locomotion.