Choanocytes in sponges are present
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
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