Question

b) Body cavity lined by mesoderm
c) Body cavity not lined by mesoderm
d) Body cavity lined by endoderm
5. The pseudocoelomate among these is
a) Porifera
b) Annelida
c) Aschelminthes d) Mollusca
6. Tube-within-tube body plan is found in which animal?
a) Euspongia b) Fasciola
c) Hydra d) None of these
7. When the circulatory system lacks arteries, veins and cap
a) Closed type
b) Mixed type
c) Inappropriate information​

Answer 1

Answer:

if u will follow me I will follow u