introduction to kingdom animalia
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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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Presentation Transcript
characteristics of animals
Characteristics of Animals
  • Heterotrophic
  • Multicellular
  • Movement
  • Eukaryotic
basic embryology
Basic Embryology

Define:

  • Zygote
  • Embryo
  • Blastula
  • Gastrula
embryonic germ layers
Embryonic Germ Layers
  • Ectoderm – outside layer
  • Mesoderm – middle layer
  • Endoderm – inside layer
animals with no embryonic stages
Animals With No Embryonic Stages
  • Sponges
  • Cnidarians
  • Ctenophorans
protostomes blastopore becomes mouth
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.
deuterostomes blastopore becomes anus
Deuterostomes – blastopore becomes anus
  • All are Eucoelomates – true body cavity
    • Mollusks
    • Annelids
    • Arthropods
    • Echinoderms
    • Chordates
  • Draw the eucoelomate body plan in your notes here.
symmetry
Symmetry
  • Assymmetry
    • Irregular shapes
    • Do not move
    • Sponges
symmetry10
Symmetry
  • Radial Symmetry
    • Can divide into equal halves using many planes
    • Cnidaria (stinging animals)
    • Echinoderms (sea stars)
symmetry11
Symmetry
  • Can only divide into left & right halves
  • Most efficient for movement
    • Flatworms
    • Roundworms
    • Mollusks
    • Segmented Worms
    • Chordates
anatomical positions

DORSAL

ANTERIOR

POSTERIOR

VENTRAL

Anatomical Positions
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