Sloths are considered as arboreal mammals *( that is living on trees) and they have very less muscle mass, which is about 30 % lesser than that of similar sized mammals. This is because their muscles are made up of slow-twitch fibers, which provide them a lot of power to withstand any stress while not using a lot of energy.
Therefore, their lesser muscle mass help them in conserving energy
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Wont they still have the same genes, so they wouldnt be immune to anything? Like if you breed grey with blue they have different genes and can have different immunities to different things
