Which group of mammals has the more 'primitive' reproductive strategy -- marsupials, with their short gestation periods, or humans and other placental mammals, which have long gestation periods? For ...
Mammals experience a 10% increase in lifespan when reproductive opportunities are suppressed. The study analyzed records from 120 zoos to determine the hidden cost of reproduction. When mammals have ...
It’s hard to imagine life on Earth without mammals. They swim in the depths of the ocean, hop across deserts in Australia and travel to the moon. This diversity can be deceiving, at least when it ...
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