A non-poisonous snake's pupils are generally round, whereas venomous snakes have straight, vertical pupils. These don't apply to all snakes, however. Most of the time, though, the rules do apply.
There are many ways to compare the shape of the pupil in a dissected eye with our own pupil. One is to examine general diameter.
There are many ways to compare the shape of the pupil in the dissected eye with your own eye. One is to look for the similarities.
You can compare the shape of a human eye pupil to that of a cow eye pupil by means of comparing and locating the iris. The iris of a cow is brown where as the iris of a human has multiple colors.
All you need to do is look at it.
by looking at it.
The pupil is the black center part of the eye.
The pupil is the opening in the center of the iris (the colored part of the eye) that allows light to enter the eye. By dilating or constricting, the pupil controls the amount of light reaching the retina at the back of the eye.
The pupil of the eye can be likened to a camera aperture. Just as an aperture controls the amount of light entering a camera, the pupil regulates the amount of light entering the eye.
There is one pupil in each eye. The pupil is the opening in the center of the iris that allows light to enter the eye. Its size can change depending on the lighting conditions to regulate the amount of light entering the eye.
you have to check its eyes. All venomous snakes have cat eyes. sort of oval in the center and greenish-yellowish in the outside. Depends. A rattlesnake's eye, for example has a vertical pupil while a cobra has a round pupil. They have adapted different eyes for different purposes (i.e. crepuscular, nocturnal, diurnal, etc.).
It is actually called "The Eye"!
Prozac can dilate the pupil of the eye.