5 Classes of Vertebrates. By Zayne and Titus. T able of contents. Warm blooded Page 3 Words to Know Page 5 Mammals Page 6 Birds Cold blooded Page 8 Reptiles Page 9 Fish Page 10 Amphibians Page 11 glossary. W ords to know. Cold blooded Warm blooded. Warm Blooded. Chapter 1.
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By Zayne and Titus
Page 3Words to Know
Page 5 Mammals
Page 6 Birds
Page 8 Reptiles
Page 9 Fish
Page 10 Amphibians
Page 11 glossary
Mammals are vertebrates that live on land and water. They have lungs that process oxygen. Most female mammals feed milk to their young. Some mammals give live birth to produce young.
Birds are vertebrates that are covered entirely with feathers and have beaks. Female birds lay eggs that are hard shelled. They also breathe oxygen by using lungs.
Reptiles are vertebrates that have scales. Most reptiles live on land and water. They have lungs do process oxygen. Reptiles give birth with a leather egg.
Fish are invertebrates that only live in water. They also use gills to process oxygen. Baby fish hatch from a shelled egg
Amphibians are invertebrates that have soft moist skin. When amphibians are young they live in water. As they grow up they start to live on land. Amphibians have gills and lungs.
Cold blooded means that their body temperature changes when the a temperature changes
Warm blooded means your body temperature never really changes with the temperature.