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Introduction to Kingdom Animalia. Characteristics of Animals Heterotrophic Multicellular Movement Eukaryotic.

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Presentation on theme: "Introduction to Kingdom Animalia. Characteristics of Animals Heterotrophic Multicellular Movement Eukaryotic."— 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 LAYERORGAN & ORGAN SYSTEM EctodermNervous system Skin MesodermMuscles Circulatory System Skeletal System Reproductive System EndodermLining 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

12 Anatomical Positions ANTERIOR POSTERIOR DORSAL VENTRAL


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