1) Select the animal having venous heart. a. Crocodile b. Salamander c. Rohu d. Toad 2)In Ascaris ___________________________. a. meoglea is present. b. endoderm is a discontinuous layer. c. mesoderm is present in patches. d. body cavity is absent.
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Answer:
OPTION C
Explanation:
Mesoderm is present in patches because as ascaris belong to aschelmenthis.Aschelminthes members exhibit pseudocoelom in which mesodermal pouches are scattered i.e,patche
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