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 develop 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 scales. Amphibians, birds, and humans have skin. Birds have feathers, and humans have hair. Which two animals exhibit the most linear relationship?(1 point) Responses birds and reptiles birds and reptiles amphibians and fish amphibians and fish amphibians and reptiles amphibians and reptiles birds and humans
The two animals that exhibit the most linear relationship in terms of their embryonic development are birds and reptiles. Both birds and reptiles start with gill slits, develop scales, and later develop lungs for breathing air. Additionally, both birds and reptiles also have a similar body plan with tails during their embryonic stages.
