Final answer:
Cats eat grass for several reasons, including aiding digestion, acting as a laxative, and obtaining nutrients. The exact reasons are not fully understood, but it is a common behavior in cats.
Step-by-step explanation:
Grass eating is a common behavior in cats and is known as pica. While the exact reasons why cats eat grass are not fully understood, it is believed to serve several purposes. Grass helps cats with their digestion by providing fiber, it can act as a natural laxative, and it may help them eliminate furballs.
Additionally, some experts suggest that cats may eat grass to obtain certain nutrients that are lacking in their regular diet. This behavior is more common in outdoor cats, as indoor cats may not have access to grass.
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