Question

fish amphibians, reptiles, birds, and mamals have similar embryos they all start with gill slits fish and some amphibians, reptiles, birds, and mammals develop lungs to breath air. they all start with tails. fish, some amphibians, reptiles, and birds grow tails. humans do not keep their tails. fish and reptiles devlop scales. amphibians, birds, and humans have skin, birds have feathers and humans have hair
which two animals echibit the most linear relationship
birds and reptiles
birds and humans
amphibians and fish
amphibians and reptlies

Answer 1

Amphibians and reptiles exhibit the most linear relationship out of the options provided. This is because they both start with gill slits in their embryos, develop tails, and have scales as they mature. They also both undergo metamorphosis during their lifecycle.