Which of the following shows the sexual dimorphism

Options

A. Hydra and Ascaris
B. Hydra and Oryctolagus
C. Ascaris and Pheretima
D. Ascaris and Oryctolagus

Answer

D

Explanation

Sexual dimorphism means that the male and female of the same species such as in colour, shape, size and structure have differences that are caused by the inheritance of one or other sexual pattern in the genetic material. Ex: Rabbit, Ascaris.