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Free research papers and essays on topics related to: phytoplankton
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- Animal Behavior - 2,263 words
Animal Behavior Biology lb Abstract Animal behavior is predictable. Their behavioral tendencies are influenced by the relationship of its anatomy to their environment. By observing various forms of life, and associating the mechanism of their abilities to perform a behavioral action, evolutionary influence thereafter, can be analyzed and deduced from that point. Introduction The science and study of animal behavior involve an enormous array of complicated factors. For instance, stereotyped responses are unlearned behavioral reactions to some environmental stimulus predicated upon an organism relationship to its physical environment and anatomy. This obviously begs the question; is the observ ...
Related: animal behavior, more important, field trip, guinea pig, incredible
- Animal Behavior - 2,294 words
... cle. Although, there were no consistent intervals between breaks, they did range between five and l0 minutes apart. Furthermore, every time the trout moved, it always returned to the same position it left from. Conveniently, the trout may have used the three stones at the base of it's schooling position as a marker Also, the school showed something that resembled a hierarchy of order. It appeared that the larger fished floated toward the bottom, while the smaller fished floated at the top. During the observation period, the fish dispersed in a rapid manner on three occasions. On the first random dispersement, no significant signal was apparent. However during the second rapid dispersion! ...
Related: animal behavior, social animal, food chain, more important, component
- El Nino Has Been A Reoccurring Phenomenon For Centuries Man Has Only Started To Realize How Much Of The Worlds Weather Is Eff - 1,334 words
El Nino has been a reoccurring phenomenon for centuries. Man has only started to realize how much of the worlds weather is effected by it. The term El Nino refers to an irregular warming of the seas surface. During the last 40 years there have been 10 significant El Nino occurrences. Most affecting the coast of South America. Water temperatures increase along the coast as far as the Galapagos islands. Weak events will raise the water temperature 2 to 4 degrees Celsius and will have minor impact on fishing. However strong events such as the 1982-83 event will disrupt climate conditions around the world as well as local conditions. It has been linked to floods and droughts all over the world. ...
Related: nino, phenomenon, weather, world economy, early stages
- Freshwater Regions - 1,507 words
Freshwater Regions Freshwater is defined as having a low salt concentrationusually less than 1%. Plants and animals in freshwater regions are adjusted to the low salt content and would not be able to survive in areas of high salt concentration (i.e, ocean). There are different types of freshwater regions: ponds and lakes, streams and rivers, and wetlands. The following sections describe the characteristics of these three freshwater zones. Ponds and Lakes These regions range in size from just a few square meters to thousands of square kilometers. Scattered throughout the earth, several are remnants from the Pleistocene glaciation. Many ponds are seasonal, lasting just a couple of months (such ...
Related: freshwater, plant species, barrier reef, sea anemones, crucial
- Holography - 1,025 words
... ther great asset came about in 1977, the Museum of Holography's traveling exhibition, Through the Looking Glass." It is based on its inaugural exhibition of the same name and was opened in Toronto. The traveling show visited art museums and galleries, children's museums and science & technology centers in the United States and abroad for well over a decade. What magazine was the first to use a hologram? The National Geographic magazine was the first major publication to put a hologram on its cover. The March 1984 issue carried nearly 11 million holograms throughout the world. Another cover hologram illustrated the feature article, The Search for Early Man" came out in November of 1985. T ...
Related: looking glass, iron age, charles river, monetary, holograms
- Introduction - 1,018 words
INTRODUCTION Ecology is the study of living things interacting with its environment, other species, and its own kind. Its a study of all external condition and factors, both biotic ( living ) and a-biotic ( nonliving ), that affect an organism. To carry out this study, scientists observe different ecosystems: forests, deserts, grasslands, oceans, or any kind of interaction between organisms and their surroundings, or with each other, which are called ecosystem effects. There are four components within an ecosystem. The a-biotic component, which determines the types of organisms found there, the producers, the consumers, and the decomposers. These components cause continual change within the ...
Related: ocean currents, natural resources, global warming, warming, ecosystems
- Over The Past Years Most Individuals Have Become Acutely Aware That The Intensity Of Human And Economic Development Enjoyed O - 2,024 words
... e of this relationship and the way it varies have yet to be determined; for now, change in solar irradiance, alias sunspots cycles, remain as enigmatic as ever." Tree ring data has also been helpful in the study of natural climatic change. In addition to the variables just noted, there are researchers who believe that the quantity and quality of solar radiation that reaches the earth is mainly affected by dust and sulphate aerosols, usually concomitant to volcanic eruption. "The dust scatters and partially reflects incoming solar radiation whereas the aerosols act as cloud-condensation nuclei. Both cause reduced temperatures for short-lived periods unless the volcanic eruptions are very ...
Related: economic development, human beings, human existence, human impact, human life, intensity, past years
- Ozone Layer Depletion - 1,142 words
Ozone Layer Depletion The Potential Effects of a Depleted Ozone Layer And God said, let there be light and there was light and then God saw the light, that it was good ( Genesis 1: 3-4 ). Undoubtedly, light is good. Without light man could not survive. Light is the ultimate cosmic force in this universe allowing man to progress and flourish. In the form of heat, light from the sun warms the Earth. Light, also, is the single most important factor influencing the growth and development of plants. Photosynthesis, a process by which plants incorporate light from the sun, allow plants to botanically grow and survive. Certain forms of light are harmful and thus can be said are 'bad'. A natural umb ...
Related: depletion, layer, ozone, ozone depletion, ozone layer
- Ozone Layer Depletion - 1,106 words
... re available to man, than being mostly confined to polar water regions, another principal food resource could be added to man's long list of them. Another important feature involved in a decline in phytoplankton numbers and productivity is the fact that phytoplankton helps produce and recycle the world's oxygen supply ( Bowermaster et al, 1990, p.40 ). An increase in ultraviolet light can thus endanger an entire ecosystem without necessarily killing off the masses. By altering the respiratory balance in an ecosystem a variety of species would be affected. Furthermore, the same oxygen recycled by phytoplankton is breathed by all animals and man himself thus adding to the importance of the ...
Related: depletion, layer, ozone, ozone depletion, ozone layer, stratospheric ozone
- Ozone Layer Poisoning - 1,099 words
... diation could get so high that it may start burning trees and eventually forrests, in the process destroying our sources of oxygen that we need to survive. The increase in radiation will start to diminish crops and other food sources. Starting with the depletion of the ozone layer, the domino effect of the extinction of biological systems on Earth would continue to plants and then on to the marine ecosystem. The effects of poisoning of the ozone layer will lash out on the marine ecosystem. The marine ecosystem would severely suffer from the thinning ozone and the increase exposure to ultrviolet radiation. Starting with phytoplankton, the foundation of acquatic food chains, would loose th ...
Related: layer, ozone, ozone depletion, ozone layer, poisoning
- Ozone Layer Solid Research - 4,597 words
... ne hole is firmly established to be halogen chemistry....There is not a full accounting of the observed downward trend in global ozone . Plausible mechanisms include heterogeneous chemistry on sulfate aerosols [which convert reservoir chlorine to active chlorine - R.P.] and the transport of chemically perturbed polar air to middle latitudes. Although other mechanisms cannot be ruled out, those involving the catalytic destruction of ozone by chlorine and bromine appear to be largely responsible for the ozone loss and are the only ones for which direct evidence exists . (emphases mine - RP) The Executive Summary of the subsequent 1994 scientific assessment (available on the Web at http:/ ...
Related: layer, national research, ozone, ozone depletion, ozone hole, ozone layer, research council
- Study On Rana Pipiens - 493 words
Study On Rana Pipiens Leopard Frog - Rana Pipiens Distribution: Found throughout Ontario but more abundant in southern and central Americas. Range: Adults maintain small home ranges (up to 500 m2) in fields or open forest during the summer. Where terrestrial habitats are quite dry, home ranges include some shoreline. A minimum of 4 ha of terrestrial habitat is recommended for the vicinity of breeding sites, however, individual adults may move several kilometres away. Most recently metamorphosed froglets stay within 20 m of shoreline although some froglets begin dispersal before metamorphosis is entirely complete. Diet: Larvae eat algae, phytoplankton, periphyton and detritus. Adults eat main ...
Related: natural history, running water, surface area, rivers, distribution
- Sulfuric Acid Industry In Ontario - 1,026 words
... o electrons lost by the hydrogen atoms, thus becoming negatively charged (SO4--). These groups can combine with others of opposite charge to form other compounds. The lead-acid cell uses sulfuric acid as the electrolyte. The lead-acid storage battery is the most common secondary battery used today, and is typical of those used in automobiles. The following will describe both the charging and discharging phase of the lead-storage battery and how sulfuric acid, as the electrolyte, is used in the process. The lead storage battery consists of two electrodes or plates, which are made of lead and lead peroxide and are immersed in an electrolytic solution of sulfuric acid. The lead is the anode ...
Related: acid, ontario, raw materials, food chain, bacterial
- The Enviromnetal Degradation As A Result Of Overpopulation - 1,569 words
... d counties (and to a lesser extent, developed countries) unprocessed sewage 7 and industrial waste is pumped or dumped directly into rivers and oceans. Global warming also has an effect on the worlds fisheries. The increased ultra violet rays that enter our atmosphere kill phytoplankton in the Arctic by an increased twenty percent(Brown and Kane, 1994, p. 118). These are a great resource of marine production, as they are the beginning of the aquatic food chain. As populations of many municipalities grow, their sewage treatment facilities are quickly outgrown. Industry grows as well, spewing a vast array of contaminants into our water supply: lead, detergents, sulfuric acid, hydrofluoric ...
Related: degradation, environmental degradation, overpopulation, water supply, population growth
- To Look Up Into The Mountains And See The Steam Rolling From A Mountain Stream On A Cold Winters Morning Is A Beautiful Sight - 1,970 words
To look up into the mountains and see the steam rolling from a mountain stream on a cold winters morning is a beautiful sight. However, to look out over the horizon and see the white spray of salt water coming from the blow of a huge hump-back whale is much more exciting sight and a whole lot warmer. I lived in the mountains of Colorado for most of my childhood. The first time I had the opportunity to see the ocean was on a vacation to California, when I was about 15 years old. It was even better than I had dreamed it would be. The different animals in the ocean, the color of the water, and the warm sand between my toes was probably what led me to come to the islands of Hawaii. When I first ...
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- Whaling - 1,514 words
Whaling Unless whaling is restricted, all whaling stocks will ultimately be depleted. The whale populations around the world have plummeted since the late 19th and early 20th century. Some of these great animals have become extinct while others are in great danger of becoming extinct. The main culprit in their demise is man. Mankind, knowingly and unknowingly, have single handedly put this beautiful creatures at death's door. This being the case, humans are also the only hope these animals have in being saved; in doing so, we will in turn save the oceans as well as ourselves. In this articles it will be argued that unless whaling is restricted, all whaling stocks will ultimately be depleted. ...
Related: whaling, intrinsic value, united nations, large numbers, strongest
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