word for cleaning feathers? preen. 3 systems united in cloaca digestive, reproduction, excretory
TRANSCRIPT
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Word for cleaning feathers?
preen
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3 systems united in cloaca
Digestive, reproduction, excretory
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Brood patch is what?
Bare skin to keep eggs warm
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Name of bird/reptile found in Germany?
Archopteryx lithographacus
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Central portion of a feather (vein)
rachis
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How many chambers are in the heart?
four
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Pterodactyl means?
Wing finger
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Why was limestone in demand in the 1700’s
printing
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Special feature of respiratory system
Air sacs
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Cow birds and cuckoos have odd rearing practice
Brood parasitism
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Three functions of a feather
Flight, mate, and insulate
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Two major lobes of the brain?
Optic and cerebellum
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Why do birds change feathers and what is it called?
Molt
Mate
migrate
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2 skeletal features that aid in flight?
Hollow, fused bones
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How are birds classified?
Anatomy, DNA, song
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Protobird has reptile and bird features such as
Teeth, feathers, fine boned
skeleton, and scales
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Why would birds have a broader range then reptiles?
Endothermic and feather
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Contrast precocial and altricial?
Number of eggs
Nests on ground Behavior at birth
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Describe the two theories of bird origin
Cousins of dinosaurs because of common ancestor
OR
descendent of dinosaurs
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Factors that influence migration
Food, season, mating
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Resources that help in navigation
Stars, magnets in head, visuals cues
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List organs in the digestive system
Mouth, esophagus, crop, proventriculus, gizzard,
intestine
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Compare and contrast birds and reptiles
Type of egg shell
Ecto vs. endothermic
Feathers
scales
incubation of eggs in nest
or not