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Ammals
All mammals are characterized by what two main features?

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Final answer:

All mammals are characterized by hair or fur and mammary glands.


Step-by-step explanation:

All mammals are characterized by two main features:

  1. Hair or fur: Mammals have hair or fur on their bodies, which helps them regulate body temperature and protect their skin.
  2. Mammary glands: Mammals have mammary glands that produce milk to nourish their young. This is a unique characteristic of mammals.

Learn more about Characteristics of mammals

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