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Another important aspect of Mesozoic mammalian evolution is the study of monotremes, which are egg-laying mammals. Recent research has revised the timeline of monotreme evolution, identifying the ...

Learn about classification with this guide. How to classify plants and animals Learn how to classify plants and animals. Learn how nutrients and water are transported around different animal ...

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curid=1749321 Echidnas, known as spiny anteaters, are remarkable creatures in Australia and New Guinea. These unique monotremes possess a combination of mammalian and reptilian features. They lay eggs ...

We hear a lot about what killed the dinosaurs. But what we don’t often ask is . . . what helped dinosaurs come into being? What animals came before dinosaurs, and what happened to them? When dinosaurs ...