mammals Flashcards
the milk-producing gland of women or other female mammals.
Mammary glands
a dome-shaped, muscular partition separating the thorax from the abdomen in mammals. It plays a major role in breathing, as its contraction increases the volume of the thorax and so inflates the lungs.
Diaphragm
of a reaction or process accompanied by or requiring the absorption of heat.
Endothermic
of a reaction or process) accompanied by or requiring the absorption of heat.
Hair
a narrow-edged tooth at the front of the mouth, adapted for cutting. In humans there are four incisors in each jaw.
Incisors
The domestic dog is a member of genus Canis that forms part of the wolf-like canids, and is the most widely abundant carnivore.
Canines
a grinding tooth at the back of a mammal’s mouth
Molars
a flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord.
Placenta
The average length of human gestation is 280 days, or 40 weeks, from the first day of the woman’s last menstrual period. The medical term for the due date is estimated date of confinement (EDC). However, only about four per cent of women actually give birth on their EDC.
Gestation period
The superorder Xenarthra is a group of placental mammals, extant today only in the Americas and represented by anteaters, tree sloths, and armadillos.
Anteaters / Armadillos / Sloths
an insectivorous animal or plant.
Insectivores
Rodents are mammals of the order Rodentia, which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws.
Rodents
rabbits hares pikas
they are lagomorpha rabbit
Flying Mammals
The bat is a flying mammal. Situated, extending, or functioning in the air: a flying deck. a. Swiftly moving; fleet: played the difficult passage with flying fingers.
Carnivores
an animal that feeds on flesh
Trunk-Nosed Mammals
Transcript of Trunk-Nosed Mammals, Hoofed Mammals, and Cetaceans. Trunk-Nosed Mammals, Hoofed Mammals, and Cetaceans. … There is only 1 mammal in the world that has a trunk, and that animal is….the elephant! The Trunk. Elephants’ trunks are a combination of both a nose and an upper lip.
Hoofed Mammals
placental mammals having hooves with an odd number of toes on each foot. artiodactyl, artiodactyl mammal, even-toed ungulate. placental mammal having hooves with an even number of functional toes on each foot. dinoceras, uintathere. a variety of dinocerate.
Cetaceans
a marine mammal of the order Cetacea ; a whale, dolphin, or porpoise.
Manatees and Dugongs
Its tail is paddle-shaped, and is the clearest visible difference between manatees and dugongs; a dugong tail is fluked, similar in shape to a that of a whale. Females have two teats, one under each flipper, a characteristic that was used to make early links between the manatee and elephants
Primates
the chief bishop or archbishop of a province
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.
