Q. Choanocytes in sponges are present
A. on the external body surface
B. line the gastric cavity
C. in the mesodermal layer
D. located between the outer and inner layers
Answer: line the gastric cavity
We will be happy to hear your thoughts
A. on the external body surface
B. line the gastric cavity
C. in the mesodermal layer
D. located between the outer and inner layers
Answer: line the gastric cavity