(biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts: "in anatomical structure prehistoric man shows close affinity with modern humans"
(biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts; "in anatomical structure prehistoric man shows close affinity with modern humans"
(biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts