as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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give an example of a mammal that lays eggs.
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the echidna and the platypus are both mammals that lay eggs. both species are found in australia, tasmania, and new guinea. the echidna is an egg-laying mammal in the monotreme family ornithorhynchidae, while the platypus is a semi-aquatic egg-laying mammal in the family ornithorhynchidae.
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