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Ch15 Vertebrates

Endothermic Vertebrates

QuestionAnswer
Birds endothermic animals with feathers & hollow bones
clutch a group of eggs
contour feathers strong, lightweight feathers that give the bird flight and shape
down feathers soft, fluffy, insulating layer of feathers
preening when a bird rubs oil over its feathers and cleans the feathers.
mammals endothermic animals with hair/fur and produce milk to feed & care for their young.
mammary glands produce milk for feeding the young
monotremes mammals that have fur but lay eggs with leathery shells
marsupials mammals that give birth to immature young that crawl into a pouch to finish developing
placentals mammals that give birth to live, completely developed young
gestation period the time it takes for the embryo to develop inside the uterus
placentals embryos that completely develop inside the female's uterus
placenta an organ that the embryo develops inside of
umbilical cord cord that transports food & oxygen from the placenta to the embryo
embryo developing baby inside the female.
Created by: hubblep