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Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?
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In each transformation of energy , some energy what?
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Vessels draining the myocardium of the heart, open primarily ,into which chamber?
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Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals
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A hydrogen atom has 1 electron. How many bonds can hydrogen form? Question 7 options: 4 2 3 1...
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