Which pair of cells is present in epidermis of Hydra but not in its endoderm?
A. Stinging cells and interstitial cells
B. Gland cells and germ cells
C. Stinging cells and germ cells.
D. Stinging cells and gland cells
Answer:D
Which pair of cells is present in epidermis of Hydra but not in its endoderm?
A. Stinging cells and interstitial cells B. Gland cells and germ cells C. Stinging cells and germ cells. D. Stinging cells and gland cells