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

Question

Quizplus · Accepted Answer

The pineal gland is associated with a well-developed light-sensitive organ, often referred to as the "third eye," in certain fishes, frogs, and lizards. In humans, it was once considered a vestigial organ but is now known to play a role in regulating sleep patterns and circadian rhythms through the secretion of melatonin.

Which Gland Is Associated with a Well-Developed Light-Sensitive Organ, or "Third