Scientists think that oxygen produced by the first photosynthetic bacteria contributed to the creation of the ozone layer we have today. If the ozone layer blocked visible instead of UV radiant energy, what do you think would have happened to life on early Earth? A. Life on earth would have evolved more quickly due to mutations in the DNA of early cells
B. The photosynthetic bacteria would have lost the radiant energy source they used to make a chemical energy and would have died out
C. The photosynthetic bacteria would have turned to aerobic respiration for chemical energy production
D. Photosynthetic bacteria on land would have depended on the higher energy UV light to make chemical energy instead

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explanation:

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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explanation:

b.have there own function.