Biology — Vertebrate Group Traits
Shared and distinct features of mammals, birds and reptiles.
Make it your own.
title "Mammals, birds & reptiles"
set M "Mammals"
set B "Birds"
set R "Reptiles"
only "M" "Fur, milk"
only "B" "Feathers, beak"
only "R" "Scales, cold-blooded"
intersect "M,B" "Endothermic (warm-blooded)"
intersect "B,R" "Lay eggs"
intersect "M,B,R" "Lungs, vertebral column"