Final answer:
The first signals a stressed cat displays include hiding, growling, hissing, swatting, dilated pupils, ears to the side, increased heart rate, and respirations.
Step-by-step explanation:
The first signals that a cat may display when they start to become stressed include hiding and growling. These behaviors indicate that the cat is feeling threatened or uncomfortable and is trying to protect itself. Other signs of stress in cats can include hissing and swatting, pupils dilating and ears to the side, and increased heart rate and respirations. It's important to recognize these signs and provide a calm and safe environment for the cat.
Learn more about Stress signals in cats