Which one is endodermal in origin ?

Which of the following are mesodermal and endodermal in origin respectively ?

vvnicn of the following are mesodermal and endodermal in origin respectively ?

Gonads are endodermal in

Gonads are endodermal in

Gonads are endodermal in

Which one is the country of origin of Ayrshire?

Assertion : Originwise hair are epithelial tissue which are of ectodermal origin. Reason : Epithelial tissue can be formed from mesoderm and endoderm also.

Assertion : Originwise hair are epithelial tissue which are of ectodermal origin. Reason : Epithelial tissue can be formed from mesoderm and endoderm also.

Which one is the basis of origin of continuous variation?

Why transport occurs in one direction in endodermal layer ?