Question

the scholar temple grandin is known for studying animal behavior and for writing about her experiences as a person with autism. as a teenager, grandin visited a relatives farm, where she became fascinated with cattle. she noticed small details about the cows behavior, such as the way they were frightened by shadows and the way they walked in wide circles while grazing. she also saw how the cows frequently became anxious and uncooperative when passing through the long, narrow corridors of a cattle chute. when grandin got older, she decided to design a new type of chute that would help cows remain calm. unlike previous designs, grandins chute was curved instead of straight. grandins invention was a success, and today curved cattle chutes can be found all over the world. based on clues in the passage, what is the most likely reason why grandin gave her cattle chute a curved shape? she knew that most animals find curved shapes to be calming. she knew that curved walls are more sturdy than straight walls. she knew that curved walls cast more shadows than straight walls. she knew that cows rarely walk in a straight line while grazing.

Explanation:

The passage mentions that Grandin designed the chute to help cows remain calm as they frequently became anxious and uncooperative in straight - narrow corridors. Curved shapes are likely chosen to soothe the cows. There is no mention of wall sturdiness, shadow - casting, or cows' grazing walking patterns being related to the design choice.

Answer:

She knew that most animals find curved shapes to be calming.