Coconuts have hair and produce milk. why aren't they classed as mammals?

They are not classed as mammals because they are not technically "alive".

Explanation:

Yes, they are plants and plants are living things, but they do not reproduce and don't move around. They also do not need to eat or sleep. Like plants, they only need water and sunlight to survive. Mammals, however, do need food, whether it is plants or meat. They also need sleep and they are able to reproduce.

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the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.