The animal kingdom

In this topic

• What makes an animal cell different
• General features of the animal kingdom
• Types of symmetry and cephalization
• Body cavity and the main phyla

Key terms

• Heterotroph
• Glycogen
• Centriole
• Lysosome
• Radial symmetry
• Bilateral symmetry
• Cephalization
• Primary body cavity
• Secondary body cavity (coelom)
• Notochord
• Nerve tube
• Gill slits

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