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Biology Essay

Known Information about Dolphins Research
They are hunted because of food, and they are tortured as well. In a certain place in Japan, there are almost 20 000 dolphins killed helplessly in a cove every year, just for commercial gain or for food. Yes, some places have dolphins as a delicacy. However, it is not safe to eat dolphins, even if they are tasty since they have high mercury levels in their bloodstream. 
Pages: 3 (750 words), Essay
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Koalas Life Cycle
The breathing medium in Koalas is the nose and the mouth as these belong to the kingdom of Mammalia. When the air passes through the tract, it is moisturized in the way for effective breathing. The lungs of the Koala contain alveoli for exchanging CO2 and Oxygen. When air reaches here, CO2 passes into alveoli and oxygen diffuses inside the blood. This oxygen then gets attached with the hemoglobin, so that effective respiration takes place (Martin, Roger and Handasyde 1999).The heart of the
Pages: 6 (1500 words), Essay
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Keeping Animals in Zoos and Aquaria
The idea of having animals in aquaria and zoos is misguided because most zoos around the world are in business. People pay good sums of money to view zoo animals and fish in aquaria. To make profits, zoos tend to overbreed their animals, leading to overpopulation and overstretching of the facilities. The offspring of such animals are not let off into the wild but sold for slaughter or to private entities for more confinement. The animal rights activists are against this practice because the
Pages: 9 (2250 words), Essay
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Komodo dragons and their behaviour
Besides existing amphibians, many diverse groups have now become extinct due to many reasons including mass extinctions. However, the point of interest is to understand how the present day reptiles behave in their natural habitats, something that can help in the development of effective management and conservation approaches and strategies.Reptiles are often described as being tetrapod vertebrates, which means, creatures that have four limbs or descended from their ancestors that were
Pages: 14 (3500 words), Essay
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