Question

list out few unique characters from phylum porifera to phylum hemichordata​

Answer 1

Answer:

This is a phylum that contains marine deuterostome animals. They are sometimes considered as the sister group of phylum Echinodermata. Phylum Hemichordata is a small phylum with only a 100 known species, with animals having a worm-like appearance. Some species may be solitary or some occur in colonies. Let us study them further

Explanation:

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Answer 2

Answer:

Few characters from phylum Porifera to phylum Hemichordata

Explanation:

Characteristics of phylum Porifera

• Mostly found in marine habitats, and a few are found in freshwater.

• They are either radially symmetrical or asymmetrical.

• Sexes are separate or united.

• Fertilises through asexual reproduction(budding, fragmentation) and sexual reproduction in some species(gametic fusion)

• The body has many pores called the ostia and a single large opening called osculum at the top.

Characteristics of phylum Hemichordata

• They are exclusively marine animals.

• They are bilaterally symmetrical and triploblastic animals.

• Sexes are not separate.

• Reproduction is mostly sexual. Fertilisation is external.

• Body is divided into 3 different regions – Proboscis, Collar and Trunk. The proboscis has the excretory organ called glomerulus.