contributes. But to be healthier‚ you should still drink water and less juice. Lots of water. Oceans. Seas. Lakes. All of these are bodies of water. But out of ALL the bodies of water‚ only 3% of it is freshwater? That means only 3% of ALL the water in the WORLD is drinkable‚ and 2% of the worlds freshwater is trapped in glaciers‚ leaving only 1% in lakes and rivers. That’s why it’s even more important for all of us to conserve waterand not be wasteful
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saltwater‚ secrete ions through gills and excrete urine concentrated with ions. Freshwater Fish * Most have a mesonephric kidney * Body fluid h higher ion concentrations * Water tends to enter the fish causing excess hydration. * Ions move out of fish * Do not drink much water‚ absorb ions through gills and excrete large amounts of dilute urine. Amphibians * Similar kidney to freshwater fish * Take up ions and water in what they eat and drink‚ through skin and through
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Groundwater Use and Overuse The biggest reservoir of fresh‚ liquid water on earth is groundwater. There is more than 20 times as much water stored within the ground as in all the lakes and rivers combined. In many parts of the world‚ agricultural‚ industrial‚ and domestic water demands can only be met by pumping water out of the ground. As you’ll see in the diagram below‚ wells work only if they penetrate the water table - the name given to the subsurface boundary that separates saturated and
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Ecology EQ’s 2. Abiotic and biotic components influence each other. For instance‚ temperature (abiotic factor) can make plants (biotic factor) reproduce more or reproduce less. Also water‚ an abiotic factor‚ has an effect on how animals‚ a biotic factor‚ survive in certain areas of the world. 3. Because a different niche allows multiple species of organisms to coexist. If all organisms had the same niche‚ then there would be heavy competition for food‚ shelter‚ etc. Having different niches gives
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Cite different natural resources in the Philippines and its importance. c. Review 1. What are the major types of ecosystem? 2. What are the three major types of terrestrial ecosystem? 3. Give an example of a freshwater ecosystem. 4. Differentiate freshwater from marine types of ecosystem. 5. Cite at least 2 marine ecosystems. d. Motivation You are the first learned inhabitant of the earth: what will you do? a. Leave earth as it is and use nomadic ways to live.
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the functionings of an ecosystem as water pollution directly affects both plants and animals. If current trends of water pollution continue many social consequences will arise. According to a UN Report entitled ‘A Comprehensive Assessment of the Freshwater Resources of the world states that If water pollution continues than two-thirds of the world’s population will suffer ‘moderate to severe water stress’ by 2050. A rise in water pollution can also cause public health problems‚ specifically water-borne
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GEOG1003 Contemporary Global Environmental Issues (6 credits) Course Teacher: Dr M Hart Office: Room 218‚ Hui Oi Chow Science Building Phone: 2241 5459 Email: mhart@hku.hk Objectives This course introduces a number of major global environmental issues and links them to contemporary socio-economic and political considerations while maintaining a geographical perspective. Course Synopsis Recent decades have been characterized by increasing awareness of environmental issues and the need to come to
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Water is composed of Oxygen and Hydrogen. It is found in wells‚ springs‚ ponds‚ rivers‚ canals and oceans. About one fourth of the earth is covered with water. It is obtained mainly from the rains. Water is really a precious gift of Nature. It has no taste‚ no smell‚ and no colour. The other name of water is life. We cannot live without water. We drink it‚ cook our food with it‚ bathe in it‚ and wash our body and things with it. The farmers need water for growing crops or plants. With water‚ the
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There are more to aquatic plants than just floating on the surface of water. Aquatic plants are plants that can adapt and live in a freshwater environment. They are sometimes called hydrophytes. These include plants that live in fresh wetlands‚ swamps‚ ponds‚ lakes‚ and marshes. This type of plant actually serves two important functions. First‚ they help oxygenate water (2006) and they provide nutrients and food for some fishes (Tappin‚ 2003). There are many types of aquatic plants including rooted
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We keep our houses clean. We take utmost care of our bedroom‚ making sure no dust rests on our polished furniture. From walls to carpets‚ everything in our house is neat and clean and perfectly maintained. Then why do we fail to keep our environment clean; maintenance of which is far more vital as compared to our home? The term pollution means addition of any substance which alters the quality of the environment. Substances which cause pollution or alter the natural quality of the air‚ water and
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