Write four features of phylum Echinodermata.
Answers
Answered by
11
phylum :Echinodermata
(Echinus-spines, derma-skin)
1:these are exclusively marine, solitary, sedentary or free -living and gregarious,
benthic
2:these are radialy symmetrical animals with pentamenous symmetry.
3:body may be spherical, elongated or
star shaped.
4:endoskelton is made up of calcareous
osciculs.
5:spines are present on the body, hence the name echinodermata.
6:circulatory and respiratory system is absent.
e.g.Asterias(sea stars), cucumaria(sea cucumber), Echinus(sea urchin), Antedon(sea lily), Ophiothrix (Brittle star).
agar apko answer Sahi lge to plz mark me as a brainlist .
have a nice day :-)
Similar questions
English,
5 months ago
Social Sciences,
5 months ago
Environmental Sciences,
5 months ago
Biology,
10 months ago
Math,
1 year ago