Phylum: Chordata Subphylum: Vertebrata Classes: Chondrichthyes Osteichthyes Amphibia Reptilia Aves Mammalia.
EVOLUTION OF THE MAMMARY GLAND AND SECRETIONS Why is the mammary gland really a gland of reproduction?
Vertebrates 1 ESO
Mammals Chapter 32 What’s a mammal? hair mammary glands breathe air and have a diaphragm 4 chamber heart/ double loop circulation endotherms.
Animal Kingdom. What are the charctersitics of an animal? Eukaryote Sexual reproducers Heterotrophs Locomotion Multicellular.
EVOLUTION OF THE MAMMARY GLAND AND SECRETIONS
