The Least Amount of Yolk Would Be Found in the Egg

question 73

Multiple Choice

The least amount of yolk would be found in the egg of a

• A) bird.
• B) fish.
• C) frog.
• D) eutherian (placental) mammal.
• E) reptile.

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Definitions:

Retinal Disparity

A binocular cue for perceiving depth. By comparing retinal images from the two eyes, the brain computes distance— the greater the disparity (difference) between the two images, the closer the object.

Blind Spot

The point at which the optic nerve leaves the eye, creating a “blind” spot because no receptor cells are located there.

Accommodation of the lens

The method in which the lens of the eye adjusts its shape to concentrate on objects at various distances onto the retina.

Dilation of the Pupils

The expansion of the pupils in response to low light conditions or certain emotional states.