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Free research essays on topics related to: algae

34 results found, view free essays on page:

  • Carbon Dioxide Greenhouse Gases
    827 words
    Carbon dioxide is a gas comprising less than 0. 04 % of the atmosphere. It is used by plants to make, directly or indirectly, all of the food that we eat. Increases in the concentration of carbon dioxide generally increase the growth rate of plants and decrease their water use. The concentration of carbon dioxide in the atmosphere is increasing, mostly as a result of burning of coal, oil, gas and forests. Its concentration may double by the end of the next century. Carbon dioxide also significan...
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  • Sao Paulo Raw Sewage
    735 words
    Water is polluted when any harmful substance is released into the water thus contaminating or making it unsuitable for marine life to survive. 3) Pesticides 7) Litter Take a look at a picture of a polluted river in Sao Caetano do Sul in Sao Paulo, Brazil. -- -- Factory waste is made out of a wide range of of impurities including poisonous substances such as memory, cyanide and lead; and corrosive, acidic or alkaline solutions. Toxic wastes when discharged into rivers and seas pollutes and poison...
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  • Gulf Of Mexico State And Local
    1,042 words
    When asked where is the most polluted place in the united states many people even educated people answer would be Houston, Texas with Los Anglous, California a close second. Although Houston is the most polluted city and yes Los angles is a close second... There is a place the size of the state of New Jersey that is worse then the position problem in those two cities. This area is known as the "Dead Zone" it is located at the mouth of the Mississippi in the Gulf of Mexico. The dead zone can not ...
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  • Food Chain Field Trip
    718 words
    The field trip to Elk Island Park taken by both biology twenty classes was an interesting and fun day. We learnt about many different types of plant and animal life in different ecosystems and how they contribute to their ecosystem. The two main ecosystems we looked at in detail were the marsh and the bog. We look at and recorded facts about the abiotic and biotic factors in the area to better understand the importance of these ecosystems. The first thing we learnt about was some of the biotic a...
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  • Uv Radiation Food Source
    618 words
    Tigriopus californians is an amazing little marine crustacean that is classified as a Harpactacoid copepod. Harpactacoid meaning its class, and copepod meaning its order. Because of its size and abundance, T. californians is commonly regarded as the insect of the sea. This creature is generally very small, from 1 - 3 mm in size as adults. They are cylindrically shaped, and have a segmented body (head, thorax, abdomen) though no noticeable division between body regions (Powlik 1966). Each segment...
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  • Organic Compounds Soil Particles
    1,280 words
    H 2 > Introduction to Septic Systems The septic system is a grouping of components working together to decompose household waste water. The septic tank holds the waste and breaks the organic compounds into a solid, liquid or gas. The solid waste (called sludge) settles to the bottom of the tank and must periodically be removed. The liquid waste is flushed to the distribution box and is then allowed to drain into the ground through a series of perforated pipes (often called lines or a leac...
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  • Destination Yellowstone National Park
    646 words
    Yellowstone National Park was named after the Yellowstone River. Native Americans called the river Mi tsi a da zi, which meant Rock Yellow River, and was translated by French fur trappers to Yellow Rock or Yellow Stone, hence the name Yellowstone. John Coltzer was one of the first people to have explored the Yellowstone area. Coltzer was from the Lewis and Clark expedition and he walked alone through this area in 1807 while in search of furs. Since 1827, though, Yellowstone has been a national p...
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  • Atmospheric Co 2 Carbon Dioxide
    1,549 words
    Climate change will have significant impacts on the global temperature such as an increase in temperature, change in weather patterns and sea-level rise. Sea-level is expected to rise 95 cm by the year 2100, with large local differences due to tides, wind and atmospheric pressure patterns, changes in ocean circulation, vertical movements of continents etc; the most likely value is in the range from 38 to 55 cm. The relative change of sea and land is the main factor: some areas may experience sea...
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  • Great Barrier Reef Coral Reefs
    1,353 words
    Coral reef Coral reefs are arguably the world s most beautiful habitats. Coral reefs have been called the rainforests of the oceans, because of the rich diversity of life they support. Scientists have not yet finished counting the thousands of different species of plants and animals that use or live in the coral reef. There are three types of coral reefs: fringing reefs, barrier reefs, and atolls. Fringing reefs are located close to shore, separated from land by only shallow water. Barrier reefs...
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  • Great Barrier Reef Coral Reefs
    1,480 words
    The report that you are about to read is about coral reefs, their habitats, and the problems that they are facing. I chose coral reefs for my project because I have always been interested in marine biology, and I am a fan of the ocean as well. As what you are about to read explains, coral reefs are in danger of extinction. Hopefully, man will realize what he has done to them and decide to take care of and protect them. I hope you enjoy my essay. Coral reefs are arguably the world s most beautifu...
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  • People Don T Global Warming
    1,122 words
    By: Coral Report Coral Report By: Tony Choukalas Period 6 A major problem is happening and lots of people don? t know it. The reason why people don? t know about it is because we don? t see it. Plus people don? t know that they are doing it. People are destroying the coral in all the waters of the world. Destroying the coral is a very bad thing to anything that lives in the water. Coral provides shelter for small fish, and other things. There are two things that make coral. Coral can be made lik...
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  • Farm Animals Million People
    717 words
    Our land our bodies and our cows are all effected by the meet industry. Our land and water is getting polluted from animal waste. Our bodies are getting sick from germs in meat, and the cows are being tortured and are suffering. Waste from livestock in the United States amounts to 130 times the waste produced by people. In Central California 1, 600 dairies produced more waste than a city of 21 million people that? s 5 tons for every person on this earth, and their is not enough surrounding land ...
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  • Infrared Light Blue Green
    344 words
    The Basics. Sunlight plays a much larger role in our sustenance than we may expect: all the food we eat and all the fossil fuel we use is a product of photosynthesis, which is the process that converts energy in sunlight to chemical forms of energy that can be used by biological systems. Photosynthesis is carried out by many different organisms, ranging from plants to bacteria (Figure 1). The best known form of photosynthesis is the one carried out by higher plants and algae, as well as by cyano...
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  • Plant Growth Harmful Effects
    2,117 words
    Many questions have Fertilizers Fertilizers Many questions have been raised concerning the use of fertilizers, why plants require them, and about the benefits they bring. Fertilizers have a significant effect on humanity, as they form the basis of food production. The addition of fertilizers assists enrichment of soil fertility and corrects nutrient deficiencies so that plants can grow more healthily, provide crops and food for people, and increase food production. In this way, fertilizers are s...
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  • Nitrogen Fixation Atmospheric Nitrogen Bacteria
    770 words
    a) Production of food: cheese, yogurt, vinegar, wine, sour cream, etc. b) Industry: cleaning up petroleum, remove waste products from the water, synthesize drugs and chemicals. Symbiosis: The interdependence of different species, which are sometimes called symbiont's. There are three main types of symbiosis, based upon the specific relationship between the species involved: mutualism, parasitism, and commensalism. Symbiosis that results in mutual benefit to the interdependent organisms is common...
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  • Lower Low Water 20 Degrees C Californianus
    1,189 words
    Mytilus Californianus, Mytilus Californianus Introduction Mytilus Californianus, also known as the California mussel, is one of the most common creatures on California's rocky shores and in tide pools. They are generally grayish black in color and have very hard shells that only the strongest (or smartest) of predators can open. These mussels attach themselves to rocks very tightly. From time to time they sneak their foot out and touch the rocks, secreting a special thread of cement. After doing...
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  • Water Level Ph Level
    652 words
    How to Open and Close an Outdoor Pool If you have never opened or closed your outdoor pool before, and you are in any doubt as to your ability to do so, you would be better off calling your local pool center to do the job for you. However, if you are somewhat familiar with pool care and are willing to undertake the work yourself, the following guidelines should be provide adequate information to help you along the way. First, we will begin with opening your outdoor pool. Begin by removing any su...
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  • Hydrogen Sulfide Water Treatment
    263 words
    Ozonification in Water Treatment Report Ozone is natures agent for cleaning and treating both air and water. That clean fresh smell in the air following a thunderstorm, the bright sky and brilliant colors of nature are due to ozone created by lightning and the Suns energy. Ozone is a gas that is created naturally in our atmosphere when oxygen in the air is exposed to high intensity ultraviolet rays. Both the sun and lightning create the ozone. Ozone is also one of natures best bleaching agents, ...
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  • Reduce The Amount Raw Sewage
    1,578 words
    Pollution in Ocean Environments The ocean is a fragile ecosystem that must have a element of constancy to ensure that life can continue. The plants and the animals alike depend on the ocean and it is being destroyed by toxins from human activities. Pesticides like DDT are lethal to the animals in the ocean if given in large enough amounts and in some areas there is enough DDT to do just that. Sewage left untreated or improperly treated has the same effect as DDT. The chemicals that come out of t...
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  • Clean Water Act One Of The Worlds
    1,109 words
    Water pollution is one of the worlds worst forms of pollution. For example, take a look at a glass of water. It may appear clear, but there are really millions of microscopic pollutants floating in it. Approximately 70 % of the earths surface are covered by water; water is a very dynamic system, any change in its normal content could affect local, regional, and eventually worldwide water. Oil is one of the worlds biggest pollutants; oil is usually spilled or leaked from land or rivers and flows ...
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