give the characteristics of the following:
Asked by | 11th Oct, 2008, 02:59: PM
i) Body soft, bilaterally symmetrical.
ii) Coelomic cavity reduced.
iii) Open circulatory system present.
iv) Excretion by kidney-like organs or metanephridia.
v) Body divided into head, foot and visceral mass.
vi) Body cavity is haemocoel.
vii) Aquatic, mostly marine, a few fresh water and some terrestrial forms.
Answered by | 11th Oct, 2008, 06:43: PM
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