mammals Flashcards
Mammary Glands
the milk-producing gland of women or other female mammals.
Hair
any of the fine threadlike strands growing from the skin of humans, mammals, and some other animals.
Endothermic
(of an animal) dependent on or capable of the internal generation of heat.
Insectivores
an insectivorous animal or plant.
Carnivores
an animal that feeds on flesh.
Omnivores
an animal or person that eats food of both plant and animal origin.
Ruminant herbivores
are mammals that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior to digestion, principally through microbial actions
Incisors
a narrow-edged tooth at the front of the mouth, adapted for cutting. In humans there are four incisors in each jaw.
Molars
a grinding tooth at the back of a mammal’s mouth.
Canines
a pointed tooth between the incisors and premolars of a mammal, often greatly enlarged in carnivores.
Monotremes
a primitive mammal that lays large yolky eggs and has a common opening for the urogenital and digestive systems. Monotremes are now restricted to Australia and New Guinea, and comprise the platypus and the echidnas.
Marsupials
a mammal of an order whose members are born incompletely developed and are typically carried and suckled in a pouch on the mother’s belly. Marsupials are found mainly in Australia and New Guinea, although three families, including the opossums, live in America.
Placental
a placental mammal.
Chiroptera
an old order dating to early Eocene: bats: suborder Megachiroptera (fruit bats); suborder Microchiroptera (insectivorous bats) Synonyms : order chiroptera.
Primates
the chief bishop or archbishop of a province.