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Welcome to Biology.SE. Did you say warm-blooded? The term warm-blood is very unclear. The correct terms are endo-, exo-, poikilo- and homeo- therm. In short… Source of heat endo = inside exo = outside Variation in inside temperature Poikilo = varies homeo = does not vary Any combination of these two axes exist. For example: If the ...


First of all, dinosaurs did not evolve to birds. A better way of saying it is that modern birds evolved from a particular type of dinosaur. That, however, is not the same as the blanket statement "dinosaurs evolved to birds". The latter implies that dinosaurs somehow morphed into birds and stopped being dinosaurs. What actually happens is that a species ...

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