Biology, 11.01.2020 21:31 pepethefrog3
Which of these would be evidence that cyanobacteria evolved the ability to perform photosynthesis on earth over 2 billion years ago? a) a decrease in glucose in cellular fossils more recent than 2 billion years ago b) an increase in oxygen gas in the atmosphere and oceans starting 2 billion years ago c) an increase in carbon dioxide levels in the atmosphere and soils from 2 billion years ago d) the presence of eukaryotic cellular structures trapped in ice from earlier than 2 billion years ago
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Biology, 21.06.2019 21:30
The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.
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Biology, 22.06.2019 00:20
The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an
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Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.
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Which of these would be evidence that cyanobacteria evolved the ability to perform photosynthesis on...
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