aquatic ecosystems. The negative impact on plants and animals often leads to decline in species‚ and sometimes even to extinction of entire species (Yangtze River dolphin). River pollution also leads to decrease in freshwater resources because rivers are among most important sources of freshwater in the world. This means that the excessive river pollution could easily lead to global water shortage. Excessive river pollution could also lead to many waterborne diseases. Pollution can be in a variety of
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Phylum Annelida General Information * "Segmented worms" * ----Include about 15‚000 species. * Example: Earthworms‚ leeches‚ clam worms. * They all have segmented body divided by septa. * Septa * walls of tissue. * These organisms contain Bristols called Satae. * Satae * They use setae to move‚ burrow‚ swim (clam works). * These are worldwide organisms. * These are Detrivore * They feed on dead organic material all the way to parasites.
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The catfish‚ on the other hand‚ has taste buds all over its body to help it sense food and scan large areas of food. 3. Explain how a freshwater fish maintains osmotic balance. In a freshwater fish‚ the inside of the fish’s body has a higher concentration of salt than the external environment. To prevent loss of water‚ fish have very efficient kidneys that excrete water quickly. The kidneys also reabsorb salt from
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in the Ecuador and Brazil oil spills. On the other hand‚ it describes some positive measures that Chevron takes to protect the environment which is focus on the following areas: protecting the environment‚ respecting biodiversity and preserving freshwater resources. The case against Chevron Corporation In order to satisfy the tremendous oil demand of America‚ Chevron drill for more oil in other countries all over the world which heavily harm the ecosystems and communities in many countries such
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impact a host of hydrological‚ ecological and other natural resources and services‚ including freshwater bodies‚ and aquatic‚ riparian‚ transitional‚ and ecosystems.” There are certain places in the world that contains groundwater that should not be industrialized. It is vital and with the most urgency that this natural resource is taken care of and maintained responsibly because planet earth depends on freshwater to survive and if our natural resources aren’t reasonably maintained and allowed to be depleted
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| | | | |chloroplasts | | | |Organism E |Amoeba |Animal-like protists |freshwater |Engulfs organic food |By means of temporary | | | | | |particles w/ its |extensions of the | | |
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water resources that ensures Goals (MDGs). While per cent of described spesustainable availability of many countries focus on cies live in freshwater and addressing problems of water remains the biggest more than 25 per cent of hunger and malnutrition‚ challenge of our time.” the worlds described verwater quality continues tebrate species depend on freshwater ecoto be
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Fishes Long- spine porcupinefish Family:Diodontidae “buteteng laot” (Diodon holocanthus) Like all species in the family Diodontidae‚ Long-spined Porcupinefish (Diodon holocanthus) can inflate themselves by swallowing water (or air). As in other species in the genus Diodon‚ this swelling causes the erection of the long movable spines covering the body. The Long-spined Porcupinefish is a robust fish with rounded dorsal and anal fins. Spines on the forehead of the Long-spined
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Stomatopods make dwellings in shallow burrows in the ocean and freshwater‚ where they can be protected from predators‚ molt‚ mate‚ and take advantage of stealth by surprising prey (Reaka 1980). The niche of stomatopoda can be found near the equator in different areas of the world (Figure 1). Along with their natural attributes
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decade as a result of a building boom for new homes‚ hotels‚ and resorts. The increase in water demand has resulted in the disruption of past sustainable water management practices. At present‚ most freshwater needs are met through the use of the limited groundwater‚ desalinated seawater‚ and freshwater importation. Wastewater reclamation‚ not used extensively‚ can serve as an alternative source of water‚ for a variety of applications now served with desalinated and imported water. Three alternative
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