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Chapter 4:Lesson 5
| Term | Definition |
|---|---|
| Fish | A vertebrate whose body temperature is determined by the temperature of its environment, and that lives in the water and fins |
| Cartilage | A connective tissue that is more flexible than bone and that protects the ends of the bones from rubbing together |
| Amphibian | A vertebrate whose body temperature is determined by the temperature of its environment, and that lives its early life in water and its adult life on land |
| Reptile | A vertebrate whose temperature is determined by the temperature of its environment, that has lungs, scaly skin, and that lays eggs on land |
| Bird | A vertebrate whose body temperature is regulated by its internal heat, lays eggs, and has feathers and a four-chambered heart |
| Mammal | A vertebrate whose body temperature is regulated by its internal heat, and that has skin covered with hair or fur and glands that produce milk to feed its young |
| Mammary Gland | An organ in female mammals that produce milk for the mammal's young |
| Monotreme | A mammal that lays eggs |
| Marsupial | A mammal whose young are born at an early stage of development, and which usually continue to develop in a pouch on their mother's body |
| Placental Mammal | A mammal that develops inside its mother's body until its body systems can function independently |
| Placenta | An organ in most pregnant mammals, including humans, that links the mother and the developing embryo and allows for the passage of materials between them |
Created by:
kdonnelly
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