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Biology Exam Ch.17

Biology Exam Honors

QuestionAnswer
Poikilothermic an animal whose body temperature fluctuates with its surroundings
Ovovivparous animals that give birth to live young from eggs hatched within the mother's body
Rectilinear Type of movement for snakes to move on smooth surfaces
Later Undulation Slithering movement, bends vertebrae into curves while body is flat
Crop the sac in the bird's esophagus that stores food temporarily
Pectoralis Major allows the bird to stroke their wings down
Germinal Spot where the bird embryo develops from
Incubation Process of keeping eggs warm until they hatch
Albumin causes the egg to increase in size as it travels toward the cloaca
Feathers Broaden the bird's winged area
Cloaca Used for excreting urine, feces, and products of reproduction
Carapace upper shell of the turtle
Yolk Provides the mian food source for the embryo
Sidewinding movement Sideways movement keeping head and tail on ground while lifting the body
Air sacs aid birds in breathing
Plastron lower shell of the turtle
uric acid substance the bird's urine is composed of
Created by: kayliemh
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