Fish amphibians, reptiles, birds and mammals have similar embryos. They all start with gill slits, fish and some amphibians. Grow to have gills some amphibians reptiles birds and mammals developed lungs to breathe air. They all start with tails, fish, some amphibians reptiles and birds grow tails. Humans do not keep their tails, fish and reptiles develop skills. Amphibians birds and humans have skin birds have feathers and human have hair, which animal do humans exhibit most linear relationship? Birds? Reptiles? Fish? Or amphibians?
Based on the given information, humans exhibit a more linear relationship with mammals rather than birds, reptiles, fish, or amphibians. This is because humans, like mammals, possess similar embryonic characteristics such as starting with gill slits, developing lungs to breathe air, and having hair on their skin.
