Evolutionary change in the animal kingdom

In this topic

• Where animals came from
• The chain of aromorphoses: the stages in water
• Coming onto land, and warm blood
• Idioadaptation, degeneration and the general trends

Key terms

• Aromorphosis
• Idioadaptation
• General degeneration
• Colonial flagellates
• Gastrea
• Phagocytella
• Mesoderm
• Coelom
• Notochord
• Amnion
• Cephalisation
• Warm-bloodedness

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