Answer:
Rod.
Step-by-step explanation:
Sense organs are the important organs of the body that helps the organism to enables and see the outside and inside world. Five main sense organs of the body are eyes, ears, nose, skin and tongue.
Eyes helps us to visualize the objects and also maintain the internal environment of the body. The eyes mainly consists of rod and cones cell. The cone cell maintain the intensity of light and helps the objects to see at night.
Thus, the correct answer is option (D).