Nitrogen Cycle
Water Cycle
Carbon Cycle
Through the process of creating our eco-bottles, we started off with thinking about what would make our bottle very healthy and successful. Through our thought process and research on the cycles of nitrogen, carbon, and water, we came with the following plans. Initially, for our nitrogen cycle, we did not understand this concept very well and thought that the nitrogen cycle could be maintained by the bacteria that was in our compost. During the reconstruction of our eco-bottle, we discovered that growing fava beans would help sustain this cycle due to the plants ability to nourish the soil with nitrogen as it grows. For our carbon cycle, we put a lot of thought into the different organism and plant interactions, so we were able to maintain the plant life living in the eco-bottle. The plants consumed the carbon created by the waste products from organisms and turned it into oxygen through the process of photosynthesis. Lastly, we made our water cycle. This cycle was fairly easy to make and maintain, for we put a string that connected from the base of the bottle (where all the water was) to the top of the, going through the whole bottle. The string was a very successful method that supported the water flow, it allowed the water to travel through the cotton string, nourishing the ecosystems with water. Though the top mini ecosystem did not experience more of a dryer environment, since the water flow took longer to get to the top of the bottle.
We chose this question because we noticed in our observations and results that our plants and animals had been positively affected by the moisture in the bottle. With the help of our cotton string method to channel water through the bottle and nourish the soil in our ecosystems, we found that when our plants were closer to the base (our water level) they grew larger at faster paces.
This visual is the cotton string water system that we used
The spacing in our bottle went wrong. Due to the lack of space for our fava bean, the bean grew too big for the little space we gave it, which resulted in its rotting. We should have given more space for the fava bean, instead of limiting it so much. Lastly, our water cycle was not the most efficient, due to the lack of water reaching the top space, drying out the plant slowly.
Our goal was to keep all of our plants and animals alive in the bottle. Our goal was almost accomplished, but not entirely due to the decay of our fava bean. We had a vision of our bottle and what was supposed to happen in it. One of our ideas included having a thick cotton string that went through our levels of the bottle, channeling water through them. This was our method of hydrating our soil and plants. This was very successful for our bottle. For our fava beans, we had our goal of the plant enriching our soul. We believe that it did so. Our ivy plant grew to 9.5 cm and appeared healthy, but not as healthy as the Ivy plant in our first eco-bottle. Our red worms (all but 1) grew in size, as well as our wood roach. Overall, our goals for our bottle and its success were achieved and a huge part of this was because of our healthy and sustainable nitrogen, carbon, and water cycles.
OUR ECO-BOTTLE ORGANISMS: