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Introduction to Animals: Characteristics and Life Cycle. BIOL 1407. Animals. Multicellular eukaryotes Ingestive heterotrophs. Animals. Lack cell walls Extracellular matrix. Muscle Tissue: Movement. Nervous Tissue: Conduct Electric Signals. Stages of Development. Zygote Cleavage
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Introduction to Animals: Characteristics and Life Cycle BIOL 1407
Animals • Multicellular eukaryotes • Ingestive heterotrophs
Animals • Lack cell walls • Extracellular matrix
Stages of Development • Zygote • Cleavage • Blastula • Gastrula • Germ layer formation • Organogenesis • Morphogenesis
Zygote • Sea Urchin development videos: http://www.exploratorium.edu/imaging_station/gallery.php?Category=Sea%20Urchins&Section=Introduction • (Sea Urchin Embryonic Development) • Nova videos on human development: http://www.pbs.org/wgbh/nova/miracle/program.html • (The Embryo Takes Shape)
The End Unless otherwise specified, all images in this presentation came from: Campbell, et al. 2008. Biology, 8th ed. Pearson Benjamin Cummings.