Give the characteristics of first coelomate
Answers
Answered by
7
Answer:
Coelom is the mesodermally lined cavity between the gut and the outer body wall. ... The archenteron initially forms, and the mesoderm splits into two layers: the first attaches to the body wall or ectoderm, forming the parietal layer and the second surrounds the endoderm or alimentary canal forming the visceral layer.
Answered by
7
The first Coelomates are Phylum Annelida.
Explanation:
- Phylum Annelida were believed as a first true Coelomates. Species that are belonging to Annelida are Nereis, Hirudinaria, and so on.
- It has the presence of all three gem layers namely 1) Ectoderm, 2) Endoderm, and 3) Mesoderm.
- The cavity or the coelom is lined by the cells of the Mesoderm. The Annelids are referred as Schizocoelomates.
- The mesoderm forms the Schizocoelom. Here, the opening of the gut first develop into the mouth and later forms the anus.
To know more about Coelomates,
1) Coelenterata is acoelomate or coelomate?
https://brainly.in/question/1122818
2) Identify the class of the following: (a) segmented,coelomate animal usually without limbs (b) Animals having soft body inside and muscular foot (c) Animals with jointed appendages
https://brainly.in/question/301013
Similar questions