Photosynthetic organisms were present when earth was primarily anoxic. why was the appearance of cyanobacteria critical for the oxidation of the atmosphere? view available hint(s) photosynthetic organisms were present when earth was primarily anoxic. why was the appearance of cyanobacteria critical for the oxidation of the atmosphere? the early forms of photosynthesis did not produce oxygen as a waste product. cyanobacteria carry out anoxic photosynthesis. the early forms of photosynthesis did produce oxygen, but it was not enough to make a difference in the atmosphere. the early forms of photosynthesis were carried out in the water, and there was no way for the oxygen to move into the atmosphere.
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Biology, 22.06.2019 01:30
Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?
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In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.
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Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from
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Look at the inheritance patterns. what do you notice? can a single offspring inherit both chromosomes from one parent?
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Photosynthetic organisms were present when earth was primarily anoxic. why was the appearance of cya...
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