Amphibians have gills when they are young or they breathe through their skin. Adult amphibians either have lungs or continue to breathe through their skin.Amphibians have three ways of breathing. The first is with gills, seen on tadpoles and salamanders that do not leave the water. The second isâ¦.
Homology involves the theory that macroevolutionary relationships can be proven by the similarity in the anatomy and physiology of different animals. Since Darwin, homology has been cited in textbooks as a major proof for evolution. A review of the literature on homology indicates that the theory does not provide evidence for evolutionary naturalism, and that the common examples of homology can be better explained by Creation.
isomorphism, isomorphy - (biology) similarity or identity of form or shape or structure. heterology - (biology) the lack of correspondence of apparently similar body parts. valence, valency - (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate. coarctation - (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta.