25_aninals_3_post_lecture

25_aninals_3_post_lecture - 5/13/2008 Biology 180 Lecture...

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5/13/2008 1 Biology 180 Lecture 25 Animals III: Deuterostomes Outline I. Introduction to Deuterostome Animals 1 Defining features of deuterostomes 1. 2. Major lineages II. Deuterostome Innovations 1. The jaw 2. The limb 3. Parental care 4 dt 4 .e n dothermy III. A Very Special Deuterostome 1. Our place in the tree of life 2. Diaspora or assimilation?
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5/13/2008 2 deuterostome dev. Discussion Clicker Question segmentation Which of the following statements cannot be true? MORPHOLOGICAL TREE MOLECULAR TREE pseudocoelom coelom protostome dev. A. Under the molecular tree, protostomes are monophyletic. B. Under the molecular tree, pseudocoeloms in nematodes and rotifers are analogous (assuming arthropods never had an ancestor with a pseudocoelom). C. Under the molecular tree, an ancestor of the platyhelminthes had a coelom. D. Under the molecular tree, segmentation in the arthropods and annelids is homologous (assuming platyhelminthes never had a segmented ancestor). Taxonomy
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5/13/2008 3 Domain: Eukarya Domain: Eukarya Kimgdom: Animalia
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5/13/2008 4 Domain: Eukarya Kimgdom: Animalia Phylum: Cordata Domain: Eukarya Kimgdom: Animalia Phylum: Cordata Class: Mammalia
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5/13/2008 5 Domain: Eukarya Kimgdom: Animalia Phylum: Cordata Class: Mammalia Order: Primates Domain: Eukarya Kimgdom: Animalia Phylum: Cordata Class: Mammalia Order: Primates Family: Hominidae
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5/13/2008 6 Domain: Eukarya Kimgdom: Animalia Phylum: Cordata Class: Mammalia Order: Primates Family: Hominidae Genus: Homo Domain: Eukarya Kimgdom: Animalia Phylum: Cordata Class: Mammalia Order: Primates Family: Hominidae Genus: Homo Species: sapiens
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5/13/2008 7 Which of the following is thought to have been critical for the wate to land transition in vertebrates Clicker Question water-to-land transition in vertebrates? A.
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25_aninals_3_post_lecture - 5/13/2008 Biology 180 Lecture...

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