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Introduction to Kingdom Animalia PowerPoint PPT Presentation


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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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Introduction to Kingdom Animalia

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Introduction to kingdom animalia l.jpg

Introduction to Kingdom Animalia


Characteristics of animals l.jpg

Characteristics of Animals

  • Heterotrophic

  • Multicellular

  • Movement

  • Eukaryotic


Basic embryology l.jpg

Basic Embryology

Define:

  • Zygote

  • Embryo

  • Blastula

  • Gastrula


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Embryonic Germ Layers

  • Ectoderm – outside layer

  • Mesoderm – middle layer

  • Endoderm – inside layer


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Animals With No Embryonic Stages

  • Sponges

  • Cnidarians

  • Ctenophorans


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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.


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Deuterostomes – blastopore becomes anus

  • All are Eucoelomates – true body cavity

    • Mollusks

    • Annelids

    • Arthropods

    • Echinoderms

    • Chordates

  • Draw the eucoelomate body plan in your notes here.


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Symmetry

  • Assymmetry

    • Irregular shapes

    • Do not move

    • Sponges


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Symmetry

  • Radial Symmetry

    • Can divide into equal halves using many planes

    • Cnidaria (stinging animals)

    • Echinoderms (sea stars)


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Symmetry

  • Can only divide into left & right halves

  • Most efficient for movement

    • Flatworms

    • Roundworms

    • Mollusks

    • Segmented Worms

    • Chordates


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DORSAL

ANTERIOR

POSTERIOR

VENTRAL

Anatomical Positions


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