Mammals Flashcards
(23 cards)
the milk-producing gland of women or other female mammals
Mammary glands
a body partition of muscle and connective tissue; specifically : the partition separating the chest and abdominal cavities in mammals (helps you breath)
Diaphragm
warm blooded
Endothermic
a lair of thread-like strand helping to keep in body 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
a pointed tooth between the incisors and premolars of a mammal, often greatly enlarged in carnivores
Canines
a grinding tooth at the back of a mammal’s mouth
Molars
the production of new living organisms by combining genetic information from two individuals of different types
Sexual Reproduction
a flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord
Placenta
Fetal development period from the time of conception until birth
Gestation period
animals that belong in the Xenarthra group which means “toothless”
Anteaters / Armadillos / Sloths (together as one group)
animals that eat insects and other bugs
Insectivores
a gnawing mammal of an order that includes rats, mice, squirrels, hamsters, porcupines, and their relatives, distinguished by strong constantly growing incisors and no canine teeth. They constitute the largest order of mammals
Rodents
a group of cotton tail mammals also known as Lagomorphas
Rabbits / Hares / Pikas
mammals said to fly, such as flying squirrels, gliding possums, and colugos
Flying Mammals
an animal that feeds on flesh
Carnivores
any mammal that has tusks to use as a tool or weapon such as an elephant
Trunk-Nosed Mammals
any mammal that has hooves to protect there feet from the earth such as the horse
Hoofed Mammals
a marine mammal of the order Cetacea ; a whale, dolphin, or porpoise
Cetaceans
the only two species of marine herbivore mammals in the sirenian group
Manatees and Dugongs
a mammal of an order that includes the lemurs, bushbabies, tarsiers, marmosets, monkeys, apes, and humans. They are distinguished by having hands, handlike feet, and forward-facing eyes, and, with the exception of humans, are typically agile tree-dwellers
Primates
a primitive mammal that lays large yolky eggs and has a common opening for the urogenital and digestive systems
Monotremes
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