were the first organisms in the history of life on earth that could use solar energy to build organic compounds from carbon dioxide and, in the process, break down water molecules to release oxygen.

photosynthetic bacteria

Explanation:

These were probably the first organisms to use the energy from the sun to build organic compounds. This photosynthetic bacteria is the blue-green alga also referred to as cyanobacteria. This organism brought about the evolution of photosynthesis and began exhaling oxygen.

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

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b) the inside picture would look at a very high temperature in a very low ph