By the End of __________, Most Modern Orders of Mammals

question 25

Multiple Choice

By the end of __________, most modern orders of mammals existed.

• A) Cretaceous
• B) Paleogene
• C) Eocene
• D) Miocene

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Definitions:

Fovea Centralis

A small pit in the retina of the eye where visual acuity (sharpness) is highest, due to a high concentration of cone cells.

Pupil

The black central opening of the iris in the eye, through which light enters the eye, adjusting in size to regulate the amount of light that enters.

Glaucoma

A group of eye conditions that can cause blindness by damaging the optic nerve, often associated with high intraocular pressure.

Aqueous Humor

Watery, clear solution that fills the anterior and posterior chambers of the eye.