studyguide5_2010[1] - Zoology 328 Spring 2010 Study Guide 5...

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Zoology 328 Spring 2010 Study Guide 5 Words to Know pygostyle alula furculum carina keratin cleidoic amniote anamniote Prototheria Theria Metatheria Eutheria stapes incus malleus cloaca egg sperm fertilization cleavage yolk microlecithal mesolecithal macrolecithal holoblastic meroblastic yolk sac blastomeres micromeres macromeres blastula blastocoele gastrula archenteron blastopore ectoderm endoderm mesoderm Concepts, Functions, Relationships, etc. Which group of reptiles gave rise to birds? to mammals? How do birds differ from reptiles? Why is Archaeopteryx considered a bird? What reptilian features did it have? To what extinct and extant reptilian groups are birds most closely related? How are birds adapted for flight? In particular, what skeletal adaptations facilitate flight? What functions do feathers serve? What important feature do the “new mouth” birds exhibit? What are some flightless birds? Why are birds like ostriches and rheas placed in a different group than crows, robins and penguins? Are all flightless birds grouped
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studyguide5_2010[1] - Zoology 328 Spring 2010 Study Guide 5...

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