Read the given statements and identify
which of them belongs to first metazoan
animals
a) Tissue level of organization
b) Never cells are absent
c) Canal system present
d) Tentacles used in locomotion
Answers
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Answer:
In organ system level of organisation, organs are joined in a system to perform basic functions. It is found in higher invertebrates and all vertebrates.
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Answer:
A) is the answer OK
Explanation:
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