Body temperature control - PowerPoint PPT Presentation

Mammals

Mammals. Chapter 32. Introduction. Ch 32.1. What are Mammals?. Class: Mammalia 2 Key Features Hair - warmth Mammary Glands – produce milk for young Breathe Air Have 4-chambered hearts Endotherms: generate and conserve body heat. Evolution.

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Chapter 31 Reptiles and Birds

Chapter 31 Reptiles and Birds. Mammals. Birds. Reptiles. Amphibians. Fishes. Nonvertebrate chordates. Invertebrate ancestor. Reptiles. What is a reptile?. Vertebrate Dry, scaly skin where scales can be smooth or rough and most times shed Lungs Terrestrial eggs with several membranes .

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928 views • 34 slides

Mammals

Mammals. Chapter 32.1 By: Rose, Ashley, Katelyn, and Tony. Characteristics. All mammals are characterized by two features; hair and mammary glands. Mammary glands : gland in mammals that produces milk to nourish the young.

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293 views • 10 slides

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