Biology, asked by JARVISRISHI3155, 1 year ago

Give the characters of phylum hemichordata

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Answered by Anonymous
5
___________here is ur answer______
CHARACTERS OF HEMICHORDATES:
1... body wall is made up of unicellular epidermis with mucus secreting cells
2.... circulatory system is composed of dorsal and ventral vessel
3.. rain occurs in the mesosome .
4... notochord is absent
5.... cleavage is holoblastic and radial
6.... Tonoria larvae is formed during life cycle which resembles bipinnaria larva of echinoderms .
7.... many HEMICHORDATES make colonies
8.... EXAMPLES : saccoglossus , kowalevskii, balanglossus sp.
hope it helps☺☺☺☺
Answered by Anonymous
5

Give the characters of phylum hemichordata

Answer => characters of phylum hemichordata

=> they have organ system level of organisation

=> bilaterally symmetrical

=> triploblastic and coelom ate animals

=> there body is in cylindrical shape

=> circulatory system is of open type

=> respiration through gills

=> excretory organ is proboscis gland

=> fertilisation is external

=> development is indirect

=> example:- balanoglossus & saccoglossus

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