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Introduction to Kingdom Animalia

Introduction to Kingdom Animalia. Characteristics of Animals. Heterotrophic Multicellular Movement Eukaryotic. Basic Embryology. Define: Zygote Embryo Blastula Gastrula. Embryonic Germ Layers. Ectoderm – outside layer Mesoderm – middle layer Endoderm – inside layer.

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Introduction to Kingdom Animalia

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  1. Introduction to Kingdom Animalia

  2. Characteristics of Animals • Heterotrophic • Multicellular • Movement • Eukaryotic

  3. Basic Embryology Define: • Zygote • Embryo • Blastula • Gastrula

  4. Embryonic Germ Layers • Ectoderm – outside layer • Mesoderm – middle layer • Endoderm – inside layer

  5. Animals With No Embryonic Stages • Sponges • Cnidarians • Ctenophorans

  6. Protostomes – blastopore becomes mouth • Acoelomates – no body cavity • Platyhelminthes • Draw the acoelomate body plan in your notes here. • Pseudocoelomates – fake body cavity • Nematodes • Draw the pseudocoelomate body plan in your notes here.

  7. Deuterostomes – blastopore becomes anus • All are Eucoelomates – true body cavity • Mollusks • Annelids • Arthropods • Echinoderms • Chordates • Draw the eucoelomate body plan in your notes here.

  8. Symmetry • Assymmetry • Irregular shapes • Do not move • Sponges

  9. Symmetry • Radial Symmetry • Can divide into equal halves using many planes • Cnidaria (stinging animals) • Echinoderms (sea stars)

  10. Symmetry • Can only divide into left & right halves • Most efficient for movement • Flatworms • Roundworms • Mollusks • Segmented Worms • Chordates

  11. DORSAL ANTERIOR POSTERIOR VENTRAL Anatomical Positions

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