three		young mammals are fed by the mother's ___
placental		___ are sharply pointed teeth
hair		the ___produces air
monotremes		milk is produced by these glands
vertebrates		are the mammals you think of (whales, humans)
alive		mammals have fur or ___
four		some mammals have ___ types of teeth
marsupial		___ grind food
fat		chordates are ___
warm		mammals have a layer of ___ beneath their skin
diaphragm		___ are the oddest
blubber		fur and hair provide___
milk		young live in a pouch
chordate		mammals are ___ blooded
mammary		___ are flat-edged teeth
incisors		young are born ___
fourth		some mammals such as hippoes and whales have
canines		there are ___ types of mammals
molars		phylum mammals are in
insulation		mammals are the ___ chordate to evoulve