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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
Exclusively found in marine waters and coelom acts as circulatory system
b
Presence of water vascular system, in which water flows to circulate oxygen and assist movement
c
Sexes are separate. Reproduction is sexual. Fertilization is usually internal.
d
An excretory system absent
answer is D.
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