Which of the Following Does Not Characterize Visual Accommodation in Mammals

question 147

Multiple Choice

Which of the following does not characterize visual accommodation in mammals?

• A) It involves relaxation of ciliary muscles for distant vision.
• B) It is accomplished by altering the shape of the lens.
• C) It involves contraction of ciliary muscles for near vision.
• D) It involves movement of the lens forward and backward.
• E) It differs from accommodation in fishes and amphibians.

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Definitions:

Mammal-like Reptiles

Extinct vertebrates that share both mammalian and reptilian traits, bridging an evolutionary gap between reptiles and mammals.

Carboniferous Period

A geologic period and system that spans from about 358.9 to 298.9 million years ago, known for its extensive coal deposits formed from ancient forests.

Tiktaalik

An extinct genus of fish-like tetrapods that represents an early step in the transition from water- to land-living animals.

Vertebrates

Animals that have a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fish.