Question

9th grade pre - assessment the night, or they do most of their hunting at dawn and dusk. in fact, domesticated cats can see in conditions that are only 16% as bright as what people require. 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 cats 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. the tapetum lucidum in addition to having large pupils and lots of rods, cats have something people dont: a tapetum lucidum, a latin medical term that translates to \bright or shining tapestry.\ the tapetum lucidum is also known as \eyeshine.\ its located in the back of the eye behind the retina - a thin layer of tissue that receives light, converts the light to an electrical signal, and sends this signal to the brain to interpret the image. assessment questions 24 out of 35 answered question 25 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.

Explanation:

The text states "Pupils operate like windows, with bigger ones letting more light into the eye." Comparing pupils to windows helps illustrate how pupils function to allow light into the eye.

Answer:

A. how pupils allow light in.