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25 Cards in this Set
- Front
- Back
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feature in mammals named to produce milk to nourish young
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mammary glands
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all mammals:
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have hair, ability to nourish young with milk, breathe air, have four-chambered hearts, and are endotherms
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the first true mammals appeared during the late - Period, about --- years ago
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Triassic, 220 million
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a layer of fat located beneath the skin, also helps conserve body heat
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subcutaneous fat
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the ability of mammals to regulate their body heat from within is an example of-
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homeostasis
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as mammals evolved, the form and function of ___ adapted
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jaws and teeth
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cows and their relatives have a stomach chamber called -, in which newly swallowed plant food is stored and processed
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rumen
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help maintain hmeostasis by filtering urea from the blood, as well as by excreting excess water or retaining needed water
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kidneys
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the center of thinking and other complex behaviors
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cerebral cortex
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- lay eggs
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monotremes
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bear living young, but at a very early stage of development
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marsupials
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members of the - , share two notable characteristics with reptiles
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monotrems
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- mammals bearing living young that usually complete their development in an external pouch
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marsupials
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internal structure which is formed when the embryo's tissues join with tissues from within the mother's body
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placenta
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in - mammals, nutrients, oxygen, carbon dioxide, and wastes are exchanged efficiently between embryo and mother through the placenta
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placenta
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primates have:
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binocular vision, a well-developed cerebrum, relatively long fingers and toes, and arms that can rotate around their shoulder joints
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the ability to merge visual images from both eyes, thereby providing depth perception and a3D view of the world
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binocular vision
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primates that evolved from 2 of the earliest branches look very little like typical monkeys and are called -
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prosimians
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members of hte more familiar primate group that includes monkeys , apes, and humans are called -
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anthropoids
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small, nocturnal primates with large eyes that are adapted to seeing int eh dark
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prosimians
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humans, apes, and most monkeys belong to
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anthropodis
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a tail that can coil tightly enough around a branch to serve as a "fifth hand"
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prehensile
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great apes, also called -, include gibbons, orangutans, gorillas, chimpanzees, and humans
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hominoids
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two-foot, locomotion
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bipedal
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enabled grasping objects and using tools
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opposable thumb
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