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In 1798, a stuffed platypus specimen was delivered to the British Museum. Reports that it laid eggs created much confusion. To modem biologists, a platypus is clearly a mammal. It has fur and the females produce milk. Young animals have typical mammalian teeth that are replaced by hardened pads of the “bill” as the animal matures. Why do you think modem biologists can more easily accept that a mammal can have some reptilelike traits than scientists who were considering this animal in the late 1700s?
Biology: The Unity and Diversity o...
Biology: The Unity and Diversity o...
In 1798, a stuffed platypus specimen was delivered to the British Museum. Reports that it laid eggs created much confusion. To modem biologists, a platypus is clearly a mammal. It has fur and the females produce milk. Young animals have typical mammalian teeth that are replaced by hardened pads of the “bill” as the animal matures. Why do you think modem biologists can more easily accept that a mammal can have some reptilelike traits than scientists who were considering this animal in the late 1700s?
To explain: The reason why modern biologists can more easily accept that a mammal can have some reptile-like traits than scientists who were considering this animal in the late 1700s.
Concept introduction: Monotremes are protherian mammals, the first group of mammals that have evolved. Mammals are known for their viviparous nature that is, giving birth to young ones. Monotremes are the only mammals that lay eggs but feed their young ones with milk from mammary gland, the characteristic based on which the mammals are named. Platypus is a monotreme.
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