001% in the air as vapor‚ clouds (formed of solid and liquid water particles suspended in air)‚ and precipitation.[2][3] Only 2.5% of the Earth’s water is freshwater‚ and 98.8% of that water is in ice and groundwater. Less than 0.3% of all freshwater is in rivers‚ lakes‚ and the atmosphere‚ and an even smaller amount of the Earth’s freshwater (0.003%) is contained within biological bodies and manufactured products.[2]Water on Earth moves continually through the water cycle of evaporation and transpiration
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Introduction: Humans sometimes don’t know why phenomenon or things happen. They just accept it without knowing the cause of it. And there is no meaning in it if we just accept things without reasons. That’s why this experiment is conducted so that we may know how things happen in the level of cells. Objectives: 1. To demonstrate the principle of Osmosis and to apply it with actual life situations. Materials and Methods: • Materials: Compound microscope Glass Slide Cover
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People’s view of water is flawed and the purpose of Charles Fishman’s The Big Thirst is to change the way that people look at water and to increase water literacy. Water is a more powerful entity in people’s lives than it is thought to be and is not appreciated in effect to this. It is used for basic human necessities such as drinking water and bathing; food production; energy production; and for recreational uses. Water in the United States is conveniently available to most when needed due to advanced
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functional parts. It consists of the biotic components and the physical environment including the interactions between them. There are different kinds of ecosystem. Some are temporary and some are permanent. They may be natural which includes the freshwater systems and the forest ecosystems. There are also manmade which includes the agroecosystem like rice fields. It can be small as a fallen log or as big as an ocean. There is also a small ecosystem known as the micro ecosystem. The distinct community
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Introduction: Research continues to reveal the many contributions climate has on controlling ecosystems at scales ranging from growth‚ reproduction‚ and even the survival of individual organisms (Wang); so who’s to say the same cannot be said about infectious bacteria living in the same environments? This question/idea is not recent‚ around 415 BC Hippocrates was one of the first to contemplate that diseases were caused naturally (not as a punishment from the gods) and that that there was a possible
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because by him saving one of their own‚ it gave him and his fellow castaways a better chance at staying alive by the great reputation that was stimulated among doing this procedure. In conclusion‚ the three main reasons Cabeza survived was drinking freshwater stored in a hollowed out horse leg‚ befriending his captors‚ and doing a life-saving operation on a Native American. Therefore‚ the reason the story of Cabeza de Vaca’s survival is important today because it shows us an insight on how exploration
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lakes across the northern hemisphere (Millington‚ 2013). There are three types of triple spine stickleback fish that live in the wild; marine‚ sea-run‚ and freshwater. The marine fish only live and breed in the ocean. The sea-run fish live in the ocean but they travel to fresh water to breed. Freshwater sticklebacks of course live in the freshwater all their lives (Leady‚ 2013). Evolution is the change in allele frequencies of a population over successive generations. Sticklebacks are good for studying
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Mastigias papua‚ most commonly known as the “Golden Medusa” or “lagoon jelly” is one of the many jellyfishes in the class Scyphozoa. This species of jellyfish is unique because they can be found in bays‚ lagoons‚ and harbors‚ but are most commonly found in the South Pacific and Indian Ocean. While in its habitat the jellyfish follows the sun from west to east until it reaches the shadows formed by the shore. Since this type of jellyfish has very little muscular movement by itself‚ it must be carried
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If asked to define a freshwater habitat‚ we would almost immediately think of water and fishes. While it is true that those two components usually dominate- they are most evident there- a freshwater habitat is in fact a community of not just plants and animals‚ but of microorganisms as well. Also‚ not forgetting in the mix the non-living‚ biotic and components like soil‚ climate and water. Include all of that along with the complex interrelationships among the organisms and the environment‚ and we
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Both alligators and crocodiles are members of the reptilian order Crocodilian. But the families they belong to‚ Alligatoridae and Crocodylidae. As a group‚ crocodilians are pretty impressive animals: Their lineage goes back 240 million years‚ meaning they’ve outlived the dinosaurs by a good 65 million years. Ideally suited for life in water and on land‚ members of the order can swim up to 20 mph and run up to 11 mph. Crocodiles and alligators are top-notch hunters and will eat just about
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