10/11/2023 0 Comments Carbon cycle powerpointsPathways that we can have to have these cycles. Terms of these bonds, by fixing this carbon. Then it can get fixed again by autotrophs, which areĪble to store the energy from the sun with, in Things that are metabolizing these organic molecules, and So I will release the CO two back in the air. And then I might metabolize that glucose from that plant I just ate, and as I do that, I will Is one of the molecules that that plant can form by taking that carbon out of the air. And as I, as I metabolize that glucose, so for example glucose Maybe it's an apple of some kind, and then that gives my body This could be me having a salad, and I might want to eat that plant. In other videos, we talkĪbout the food cycle. And you could imagine other animals that can't do this, thatĬan't photosynthesize, well, they might wanna eat these plants for that energy. It could be fats, and also some of it is energy. The form of proteins, amino acids, it could form And so, once again, as I said, some of that will be in And so that's where, so that's what allows this It's growing out of thin air, but the mass isn't just Not just growing out of, I mean, I guess you could say I'm in, there's a houseplant right next to me, it's And so that mass of that plant, I'm actually in this room Give the plant structure, that give the plant energy. Molecules in the plant, that help the plant, that That molecular carbon dioxide out of the air andįixing the carbon from it to form these different Like a very fancy thing, but it's literally taking So that's energy coming in from the sun, and use that energy to fix carbon. And the way that plants grow is they're able to take light energy. So let's say this is the ground, and I have a growing plant. ![]() ![]() Version of the carbon cycle is, okay, you have thisĪtmospheric carbon dioxide, molecular carbon dioxide, And then a bunch of other, a bunch of other elements and molecules. Is actually nitrogen, 78 percent, you don't talk a lot about it. It's only about 0.04 percent of the gas in our atmosphere. Warming, it actually makes up a very small percentage of our atmosphere. Is to biological systems, and the role carbon dioxide plays in things like global So it's very importantįor biological systems. In fact, our bodies are 18 to 19 percent carbon carbon by mass. And as much as we talk about CO two, and as important as carbon Is in the middle there, bonded to the two oxygens. You can imagine theĬarbon in our atmosphere that's mainly in the form But on very very simple terms, this is how my brain tends to But the question is how does carbon cycle through our biosphere? And we can get as simple or as complex as we want to when we discuss this. Neat, this really neat element, this really neat atom that can make four bonds. In fact, sometimes theĬarbon's hard to see because it's closer to theĬenter of these molecules because the carbon, for the most part, forms the backbone. And in all of these you can see the role that carbon is playing. This right over here is one of many amino acids. This is ATP, you can view it as a more immediate store ofĮnergy in biological systems. It's where we can deriveĪ lot of our energy from. So this right over here, this molecule, this is glucose. In all of these, the carbonsĪre these dark gray colors. And to appreciate carbon's importance in our biosphere, and especially to life, I have some, some important molecules, or examples of important But they just get recycledįrom one form to another. For the most part, they haveīeen here since the beginning. But when we talk aboutĮlements like carbon, they don't just appear and disappear all of a sudden in our biosphere. Ī little bit about carbon and how it cycles through our biosphere. Over time, layers of shells and sediment are cemented together and turn to rock, storing the carbon in stone-limestone and its derivatives. In the modern ocean, most of the calcium carbonate is made by shell-building (calcifying) organisms (such as corals) and plankton (like coccolithophores and foraminifera).Īfter the organisms die, they sink to the seafloor. In the ocean, the calcium ions combine with bicarbonate ions to form calcium carbonate, the active ingredient in antacids and the chalky white substance that dries on your faucet if you live in an area with hard water. ![]() The acid dissolves rocks-a process called chemical weathering-and releases calcium, magnesium, potassium, or sodium ions. Atmospheric carbon combines with water to form a weak acid-carbonic acid-that falls to the surface in rain. The movement of carbon from the atmosphere to the lithosphere (rocks) begins with rain. Processes such as erosion release this carbon back into the atmosphere very slowly. Limestone will undergo decomposition / Erosion.
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