30-introanimmod

30-introanimmod - (565-550 mya) Ediacaran biota Hox genes?...

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Intro to the Kingdom Animalia
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1. Multicellular tissues 2. No cell walls ECM with collagen 3. Chemoheterotrophic glycogen 4. diploid dominant LC [Fig 10-19a] 5. diverse body plans 6. most can move sessile 8. reproduction
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cleavage gastrulation metamorphosis zygote -> embryo-----> blastula -> gastrula ------> larva ------------> adult cells tissues/organs
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Animal origins choanoflagellates
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Monophyletic?
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Paleozoic Era/ Cambrian Period (535-525 mya) “Cambrian Explosion” Pikaia
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Neoproterozoic Era
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Unformatted text preview: (565-550 mya) Ediacaran biota Hox genes? Symmetry Assymetry Radial symmetry (and biradial symmetry) Symmetry Bilateral symmetry superior vs. inferior Diploblastic bodies Triploblastic bodies 51-9 Body cavities of triploblasts Protostome vs. Deuterostome: cleavage patterns Protostome vs. Deuterostome: embryonic blastopore forms _____ protostome deuterostome Mouth Anus Protostome vs. Deuterostome: coelom formation Schizocoelous Enterocoelous Skeletons Terrestrial adaptations Larval forms Tree of animals - a work in progress...
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This note was uploaded on 01/17/2012 for the course BIOL V04 taught by Professor De-jesus,m during the Fall '08 term at Ventura College.

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30-introanimmod - (565-550 mya) Ediacaran biota Hox genes?...

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