Given the actual age of a small dog, how could you find the actual age of a cat with the same ”human age?”

How many actual years does it take for a small dog to reach ”retirement age?”

In the Challenge, you related the years in an animal’s life to a human age. How could you relate the years in a human’s life to an animal’s age? For example, if you were 13, what age would you be in cat years?

How did biologists decide that a 1-year-old small dog is comparable to a 15-year-old human?

Why do puppies grow faster in their first year of life than in later years? Is this also true for human babies?

Do larger animals typically live longer than smaller ones?

Which animals live the longest?