Anatomy
Organ that's part of integumentary & immune systems that prevent pathogens from entering the body
Skin
Active at night
Nocturnal
Term for group of mammals that bear live young that complete development in a pouch
Marsupials
Animals that generate their own body heat
Endotherms
A powerful muscle that is involved in respiration.
Diaphragm
Active during the day
Diurnal
Organisms that obtain energy by eating other animals
Carnivores
Pointed teeth used for piercing, gripping, and tearing food
Canines
Stomach chamber in cows & other animals in which newly swallowed plant food is stored & processed
Rumen
Eating both plants and other animals
Omnivore
Term for group of mammals in which nutrients are passed to developing embryo via a placenta
Placental Mammals
Glands in mammals the produce milk to nourish young
Mammary Glands
Term for a long tail that can grasp branches
Prehensile
Process by which mammalian eggs are fertilized inside the female's body
Internal Fertilization
A primate that walks upright, has opposable thumbs, and possesses a large brain. Humans are the only example.
Hominid
Process of maintaining a relatively stable internal environment
Homeostasis
The well-developed out layer of a mammal's brain that is the center of thinking and complex behaviors.
Cerebral cortex
Two-footed locomotion
Bipedal
Term for the group of egg-laying mammals
Monotremes
The ability to merge visual images from both eyes
Binocular vision