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Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES

Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES. The Mammals. The only ones with hair & mammary glands (females). Feed their young with milk. Adults nurture their young through an extended period of dependency. Eat prey by securing, chewing, cutting before swallowing.

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Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES

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  1. Lecture 6ANIMAL EVOLUTION: THE VERTEBRATES

  2. The Mammals • The only ones with hair & mammary glands (females). • Feed their young with milk. • Adults nurture their young through an extended period of dependency. • Eat prey by securing, chewing, cutting before swallowing. • Exhibit Behavioral flexibility: • a capacity to expand on basic activities with novel forms of behavior & learning; coevolved with brain regions.

  3. Mammals • Differ in dentition-the type, number and size of teeth. • Highly developed nervous system. • Female give birth or lay eggs

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