Blog Post #3



Blog Post #3

      This week I didn't notice much of a change in my plant. It hasn't grown and instead I saw what appeared to be tall grass-like weeds. 
My plant participated in the water cycle through transpiration. In the biosphere, land plants absorb water through their roots and then transport this through their transport system to stems and leaves. This water is needed in photosynthesis, which is the food production process in plants. Transpiration (evaporation of water from the leaf surface) then returns water back to the atmosphere. 

 In terrestrial communities, plants convert atmospheric carbon dioxide to carbon-based compounds through photosynthesis. My plant participates in the water cycle through photosynthesis which is where plants combine carbon dioxide with water. During this process, plants cleave the carbon from the two oxygen molecules and release the oxygen back into the surrounding environment. Plants are primarily responsible for the presence of atmospheric oxygen. 

 In the nitrogen cycle, plants absorb the nitrates from the soil into their roots. Plants cannot obtain nitrogen directly from the atmosphere. Instead, they depend on a process known as nitrogen fixation. Key players in this process are legumes and the symbiotic bacteria which are associated with the legume's root nodules. These bacteria are known as nitrogen-fixing bacteria. These organisms convert nitrogen in the soil to ammonia, which can then be taken up by plants. 

 All three cycles didn't seem to help my plant.




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