4+B's+of+Classification

=4 B's of Animal Classification=


 * || ==Mammals== || ==Birds== || ==Fish== || ==Amphibians== || ==Reptiles== ||
 * ==Breathing== ||  ||   ||   ||   ||   ||
 * ==Blood== ||  ||   ||   ||   ||   ||
 * ==Body Covering== ||  ||   ||   ||   ||   ||
 * ==Babies== ||  ||   ||   ||   ||   ||