I read that kittens start growing teeth around 2-4 weeks of age, for puppies it’s 6 weeks, but humans start getting them in around 6 months, why?
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It takes humans about 18 years to reach “adulthood” and even longer for our brains to fully develop. We are more complex beings and take more time to develop. A kitten is full grown in just a year or two by comparison.
How long it takes us to reach maturity is a factor of the number of neurons in our brains. Mammals with high neuron densities take longer to develop.
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