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Questions and Answers
What is a characteristic of endothermic creatures?
What is a characteristic of endothermic creatures?
- They regulate their body temperature from within (correct)
- They have a vertebrate column
- They have hair on their bodies
- They produce milk for their young
What is the primary function of a mother's mammary glands?
What is the primary function of a mother's mammary glands?
- To produce milk for the young (correct)
- To produce hair
- To give birth to live young
- To regulate body temperature
What do mammals have in their mouths?
What do mammals have in their mouths?
- Feathers
- Gills
- Teeth (correct)
- Scales
What is a common characteristic of mammals' bodies?
What is a common characteristic of mammals' bodies?
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How do mammals reproduce?
How do mammals reproduce?
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Study Notes
Characteristics of Mammals
- Mammals are vertebrates, possessing a vertebral column.
- Almost all mammals are endothermic, meaning they can regulate their body temperatures from within their bodies.
- Endothermic creatures can maintain their own body temperature, independent of external sources.
- Mammals are viviparous, giving birth to live young.
- Mammals produce milk for their offspring, secreted by the mammary glands located in the breasts.
- The young of mammals feed on milk produced by their mothers.
- Mammals are characterized by the presence of hair on their bodies, which varies greatly in type and quantity between species.
- Mammals possess teeth, which differ in structure and function depending on their location in the mouth.
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