Question

Give the features of protochordata in brief.​

Answer 1

Answer:

GOOD MORNING,Dear

The organisms belonging to the Protochordata are generally known as the lower chordates. They don’t form a “proper” taxonomic group and are only classified as such for convenience purposes. However, they do form a major division of Chordata. They are also known as Acraniata because they lack a true skull. They are divided into three sub-phyla- Hemichordata, Urochordata, Cephalochordata.

Characteristics of Protochordata

1)They are generally found in marine water.

2)Their body is bilaterally symmetrical, triploblastic, and coelomated.

3)At a certain stage of their lives, their body develops a long, rod-like structure for support called notochord.

4)They exhibit organ system level of organization.

Eg., Herdmania, Amphioxus.

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Answer 2

notochord is present, bilateral symmetry, marine marine animals, ceolomate is present, triploblastic

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