Exam 3: Grassland/ Savanna Biome

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Biology

University/Undergrad

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5 Terms

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Aves:

Birds

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Aves Characteristics

  • endothermic (all previous groups have been ectothermic)

  • feathers

  • air sacs

  • hollow bones

  • amniotic egg

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Archaeopteryx

oldest known bird, feathered wings but more like a small bipedal dinosaur

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Endothermic

generates own body heat (human) warm blooded, metabolizes

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Exothermic

body temperature varies with environment, cold-blooded (reptiles)