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Biology, 21.06.2019 15:00
The images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that . the archaeopteryx and bird have wings, while dinosaurs have limbs. so, it can be concluded that .
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Which of the following explains why a tree is often used as a model to represent the principle of common descent
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What determines whether a particular cell is able to respond to a hormone?
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