In certain fishes, frogs, and lizards, the _____ gland is associated with a well-developed light-sensitive organ, or so-called "third eye" and was once considered a useless remnant of evolution in humans.
A)pituitary
B)adrenal
C)pineal
D)thyroid

Question

Quizplus · Accepted Answer

The pineal gland is associated with a light-sensitive organ in certain animals, often called a "third eye." In humans, the pineal gland is no longer considered a useless remnant, but rather plays a role in regulating sleep and circadian rhythms.

In Certain Fishes, Frogs, and Lizards, the _____ Gland Is