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Samples Tagged as: biology essay samples

Global Warming and Greenhouse Effect – Essay Sample

The Earth’s climate has changed many times during the planets history, ranging from the ice age to long periods of warmth, with our scientific understanding changing over time. Historically, the earth’s natural factors such as volcanic eruptions, changes in the … Full sample →

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Education Opinion on Regressive Evolution Theory – Essay Help

Regressive evolution proposes that viruses descend from free-living and more complex parasites.  According to this theory, ancestral viruses developed a growing dependence on host-cell intracellular ‘‘machinery’’ through evolutionary time, while retaining the ability to auto-replicate, like mitochondria that have their … Full sample →

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Evolutionary Change of the Polar Bear – Essay Sample

The animal I have chosen for this topic is the Arctic Polar Bear. The polar bear is a unique species in that it is only found in the natural environment at latitudes above 66’33N.  The average temperature in the warm … Full sample →

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General Features of Multicellular Organisms – Essay Sample

Brittle stars, which are sometimes called serpent stars, are long-armed, spiny animals that live on the sea floors, disregarding its depth. Brittle stars are not fish, but are related to starfish. These animals without back bones, cold-blooded, with their temperature … Full sample →

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