151.
Which of the following pair is having lowest level of organisation
1) Leucosolenia, liver fluke
2) Liver fluke. Tacnia
3) Grantia, Chaline
4) Hydra. Obelia
Answers
Answered by
1
Answer:
4. hydra and obelia
Explanation:
hydra and obelia belong to phylum
coelentrata which is diploblastic radially symmetrical
and having tissue level of organisation
Answered by
0
(4) hydra and obelia
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