What kind of organisms likely perished due to the increase of oxygen in the atmo

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What kind of organisms likely perished due to the increase of oxygen in the atmosphere three billion years ago? heterotrophs cyanobacteria obligate aerobes obligate anaerobes facultative anaerobes In the accompanying figure, note the variation in these closely related birds. What does this illustrate'? hybridization macroevolution hybrid inviability adaptive radiation allometric radiation One critical requirement for life to arise on Earth was time for which to occur? The salinity of the oceans to stabilize The Earth's various climates to stabilize Molecules to accumulate and react with one another

Explanation / Answer

6 . B cyanobacteria

Cyanobacteria increased in high amount 3 billion yrs ago dur to sudden increase in oxygen in the environment which caused fires. Anaerobes couldn't survive, as oxygen was toxic for them

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