Question
Why do cats' eyes glow in the dark? Braidee Foote
Cats accomplish this because their pupils — the openings that appear black in the middle of their eyes — are special. Pupils operate like windows, with bigger ones letting more light into the eye. And a cat’s pupils can become up to 50% larger than human pupils in dim light. They also have a higher number of a specific type of light-sensing cell in the back of their eyes than we do. These cells, called rods, catch low-level light.
By likening pupils to windows in paragraph 3, the author helps the reader understand —
A. how pupils allow light in.
B. how pupils protect against bright light.
C. how cats can control the size of their pupils.
D. how similar cats' pupils are to humans' pupils
Cats accomplish this because their pupils — the openings that appear black in the middle of their eyes — are special. Pupils operate like windows, with bigger ones letting more light into the eye. And a cat’s pupils can become up to 50% larger than human pupils in dim light. They also have a higher number of a specific type of light-sensing cell in the back of their eyes than we do. These cells, called rods, catch low-level light.
By likening pupils to windows in paragraph 3, the author helps the reader understand —
A. how pupils allow light in.
B. how pupils protect against bright light.
C. how cats can control the size of their pupils.
D. how similar cats' pupils are to humans' pupils
Answers
Answered by
GPT-4o mini
The correct answer is **A. how pupils allow light in.**
By using the analogy of pupils as "windows," the author illustrates how the size of the pupils affects the amount of light that enters the eye, particularly in low-light conditions.
By using the analogy of pupils as "windows," the author illustrates how the size of the pupils affects the amount of light that enters the eye, particularly in low-light conditions.
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