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Introduction to Kingdom Animalia

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Presentation on theme: "Introduction to Kingdom Animalia"— Presentation transcript:

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 LAYER ORGAN & ORGAN SYSTEM Ectoderm Nervous system Skin Mesoderm Muscles Circulatory System Skeletal System Reproductive System Endoderm Lining of gut and respiratory tracts Liver Pancreas

6 Animals With No Embryonic Stages
Sponges Cnidarians Ctenophorans

7 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.

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

9 Symmetry Assymmetry Irregular shapes Do not move Sponges

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

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


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