A species that is sexually dimorphic means that:
A) there are both male and female reproductive organs. B) there is no way to visually determine the gender.C) there are visual differences between the male and female.
D) they must be examined surgically to determine the gender.
Question 2
Instead of eyelids, snakes have a transparent layer, or ___________________ _, that permanently covers the eye.
Fill in the blank(s) with correct word