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Why are autotrophic organisms considered essential to all other life on earth
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Which part of cellular respiration must occur before any of the other steps can occur
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During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming
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What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
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Why are autotrophic organisms considered essential to all other life on earth...
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