introduction to the animal kingdom. 10/21/2015 traits of the animal kingdom: all animals are...

Introduction to the Animal

Kingdom

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Traits of the Animal Kingdom:

• All animals are

•Multicellular

•Eukaryotic

•Heterotrophic

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There are 9 phyla (pleural for phylum) in the Animal Kingdom and two subphyla:

Subphyla: Invertebrates:

-an animal that lacks a backbone or notochord.

-97% of all animals are invertebrates.

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The Invertebrate subphyla is divided into 8 phylum:

1.Porifera2.Cnideria3.Platyhelminthes4.Nematoda5.Annelids6.Mollusk7.Arthropods8.Echinoderms

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Subphyla: Vertebrates:

-an animal that has a backbone or spinal column.

-3% of all animals are vertebrates.

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The Vertebrate subphyla contains only one phylum:

1. ChordatesThis phylum is divided into 7 classes.

1.Jawless fish2. Cartilage fish3. Boney fish4. Amphibians5. Reptiles6. Aves 7. Mammals

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Body Plans found within the Animal Kingdom

Asymmetrical:-has no definite shape

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Symmetrical:-arrangement of body parts around a center point.-Two types:

-Radial symmetry-Bilateral symmetry

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Radial Symmetry:

Radial means…Round

-Can be divided into similar pieces by passing through many points.

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Bilateral symmetry:

Bi means………Two

Lateral means…Line

Can be divided into two similar halves when a line is drawn through a specific point.

What are we?????????????

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A quick review of body plans……….

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Anatomy Orientation:

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Dorsal:Back area

Ventral:Belly area

Anterior:Front or head area

Posterior:Back or tail end

Lateral:Side

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