The, since we're focused on how we can classify ecosystems, one thing that's often done is classifying land ecosystems With the living skin cells, and you, yourself. With the oil on your skin, with the dead skin cells, and also, how they're interacting How they're interacting with the non-living things, the air. Types of microorganisms that are there, and You can think about the different bacteria that are there, other Little square, there, and you could consider that an ecosystem. If this is my hand right over here, you could take just a Even your body, you could view your body as a whole ecosystem. Obviously we need freshwater to live, most of the aquatic ecosystems are marine, are not involved freshwater. Like rivers are big and there's a lot of freshwater around us. So we could say fresh, freshwater, non-salty water. Like if you are in the upper-Amazon, that is freshwater that is flowing. And then, you have freshwater ecosystems. Partially salty water, and these are called marine, and the main marine ecosystem, we're thinking about the And then, if within aquatic, you could have ones that. You could have it on, near, in the water. So an ecosystem, youĬould have it on land. Some that are in water, and that is a general way, Talking about some ecosystems that are on land, and Happening in the river, itself, an ecosystem, or, maybe, Rain forest an ecosystem, or maybe you just want to study, maybe you just want to study what's happening in this exact This rain forest, right over here, this is the Amazon rain forest. You want to zoom out, and you can zoom out a good bit. On how much you want to zoom in or how much You might say that theĮntire beach is an ecosystem. Those combined, thatĬould be an ecosystem. One particular tide pool, both the abiotic factors, the water, and the rock there, as well as the biotic factors, the starfish, the sea anemones, and whatever else might be living there. Picture of a tide pool at Half Moon Bay, not tooįar from where I live. I already mentioned there'sĪ lot of variety there. Now, in terms of the types of ecosystems. The non-living things, eventually, getting turned into actual heat. Energy tends to enter an ecosystem in form of light, and thatĮnergy gets transferred from one organism to another, and, sometimes, even involving Matter tends to go from one form to another. How there's conservation of matter where, within an ecosystem, How the different factors interact with each other. Think a little bit about it, and also begin to think about Think about in this video is just the types ofĮcosystems that you might have. The non-living things, the abiotic factors. Your ecosystem, once again, it could be a very small region, it could be a very large region, but it's made up of all living things, the biotic factors, and You put all of these things together, and then you get your ecosystem. Sharing the same region, and that is flexible on So, let's take the abiotic factors, or the abiotic environment. Not just the living things, but also the non-living Now, the community onlyĬonsists of living things, the biotic factors. How you define that area or define that region, you take those together, so you're really takingĪll of the living things in a certain area, weĬall that a community. And if you take all of the populations in a given area, there's flexibility on All of them combined in the same area, we could call this population, population two. You might have other populations there of a different species. And a certain area won't have just one, or it doesn't tend to have Members of that species that aren't in that same area, and they wouldn't be a member This particular population will be members of the same species. Of a certain species that share the same area, we call that a population.
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