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Vocabulary: Leigh-an

chapter 43 - Mammals

TermDefinition
Endothermy mammals that regualte body heat internally through instruction
Mammary Gland modified sweat glands locatedon the thorax or abdomen
Synapsids bone structure that has a single opening in a bone just behind the eye socket
Theraosids the most abundent terrestrial vertebrates during the late permain period
Monotremes lay eggs
oviparous produce eggs
Marsupials & Viviparous they give birth to live young
Placental Mammals the fetus typically develops within the mothers reproductive system for a longer time than marsupials
placenta through development, fetus recieves nourishment (very blood rich)
Diaphram sheet of muscle below the rib cage
Incisors teeth that cut
Canines teeth that grip, puncture, and tear
Premolars teeth that shear, shread,cut, or grind
Molars teeth that grind, crush, or cut
Baleen thin plates of keratin that hang from the skin of the upper jaw like a curtain
Rumen contains symbiotic microorganisms
Cecum a large sac that branches from the smallest intestine and acts as a fermentation chamber
Echolocation rely highly on sound to navigate instead of vision
Pinnipeds aquatic carnivores
Ungulates mammals with hoofs
Created by: leigh-an
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