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Aboy with an extra x chromosome probably has which of the following syndromes?
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Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?
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Biology, 22.06.2019 09:30
What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid
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Biology, 22.06.2019 14:00
The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird
Answers: 2
What types of species are the most vulnerable to extinction?...
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