Photosynthesis: How The First Plant Came To Be

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Abstract
Photosynthesis, in essence, gives life to plants and plants give life to, us, humans. However, have you ever wondered how the first plant came to be? Through the process of an unlikely symbiotic union of an alga cell, a cyanobacterium, and a bacterial parasite and unfavorable environments, the first plant was born. Although scientists do not know why such a union occurred, they believe it might have to do with the theory of adaptation to one’s environment. Adaptation tends to occur when a living organism is living under unfavorable circumstances, such as scarcity of food. Plants have the ability to perform photosynthesis. Photosynthesis is the process of which a plant absorbs solar energy and uses it to make food from carbon dioxide
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Fortunately, due to this symbiotic union, the first plant was born with the ability to perform photosynthesis. However, in order for a symbiotic union to occur, there has to be some sort of cooperation from the parties involved. So how did the cyanobacteria give the alga the ability to photosynthesize? Well, due to the bacterium being infected with a parasite, the parasite gave the bacterium the ability to transfer food from the chloroplasts to the alga through the exchange of genes. However, after some time had past, the three beings came collectively together to form the organelle called the chloroplast. By the process of evolution and adaptation to the symbiotic union, the plant species developed the cell …show more content…
According to Marcelo Vinces, the alga cell and the bacteria made a partnership where the alga provided a “healthy environment for the bacterium to grow, while receiving energy from them” (Vinces, 2011). Another example of such a union was eons ago when the level of oxygen in the atmosphere was starting to increase. At the time, eukaryotic cells could not metabolize oxygen until the bacteria invaded them. Due to the living conditions and the eukaryote’s “ cellular machinery”, they formed a symbiotic union (Krogh, 2014, p.349). Over time, the bacterium becomes an essential part of the eukaryotic cell. The bacterium made the transition of becoming an organelle that metabolizes oxygen known as the mitochondrion. It is hypothesized that the union occurred due to the need for survival and adaptation to the

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