The true statements are:
1) A diploblast has no mesoderm- Diploblastic
animals have only two primary germ layers: the ectoderm and
endoderm.
3) A pseudocoelom has the same functions as a true coelom- both coelom and pseudocoelom have the same function; but they differ only in they way they formed.
7) In a coelomate, the tissue lining the inner side of the body cavity arises from the same germ layer as the tissue lining the outer side of the body cavity
Animal tissues develop from embryonic germ layers. Triploblastic animals have three germ layers (ectoderm, mesoderm, and...