Easily demonstrated by many measures: Basics: they poop and don’t need anyone to clean them. They don’t scream when a predator is around because they understand what can happen. They run from predators.
Simple: they can walk and run and find food for themselves at some point to become self sufficient.
Complex: they know who momma is and live in social groups for the most part. They communicate with each other.
Human babies never do any of this, and that has all sorts of ramifications that can be interpreted as funny, sad, or even cruel.
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we never eat babies…ha ha ha! Just pulling your leg. We don’t.
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we never jail babies…ha ha ha! Oh shoot.
Don’t go imagining things, it could hurt. Just think about these things while eating your delicious hamburger. Your burger meat was once smarter than a baby and had as much feelings as a baby does and more including memories. And they were jailed their entire life and were brutally murdered and pushed thru a grinder until they were just pieces of meat.


prey animals also have adaptations, like precocial birth, which is a fully developed baby that can run at birth useful in areas with alot predators, camoflauge like with deer. Hares have babies that can run at birth while rabbits have altricial babies, like mice and humans they cant do any of this and are helpless.