Biology Essays and Term Papers

and other organisms, as well as the physical environment in a particular area. A biome is characterized by its plant life, which is determined by its location. For example, northern coniferous forests exist in sub-arctic portions of North America…

of Lyme disease are not very detectable unless one knows what they are looking for. The early symptoms are often flu-like with a fever, headache, stiff neck, joint and muscle pain, and fatigue, also a rash may appear. The rash is red, circular, smooth,…

2 types: Kinetic Energy - energy doing work ex: heat (moving molecules) light Potential Energy­­ - stored energy; can be as a result of location or arrangement ex: roller coaster - at 100 ft high there is more potential energy than at 25…

There are numerous consequences to an oil spill at sea. The biggest of which is the damage to wildlife in the area. Lots of sea mammals would be killed, including fish, plankton and bigger underwater organisms. This would disrupt the food chain,…

experiment will be to show that different cells have different structures and textures. Hypothesis I believe that viewing these different cell types under the microscope will show more detail and variations between the cells. Method Apparatus…

be born strong, healthy, and well suited to make its way to the world. If genetic engineering would be used in this way the world would probably be a place of less disease. Sure it may be unethical to do some tests on humans, but without them medical …

animals *400 B.C. Aristotle, "History of Animals, Parts of Animals, and Generation of Animals," -foundation of western sexology -developed classification system: reproduction by sexual, asexual, and spontaneous generation *During this period,…

gland -growth hormone "^ which causes growth spurt -ovaries and testes release gonadotrophins (sex hormones) *males: testosterone *females: estrogen and progesterone *hormones stimulate -growth of primary sexual characteristics (genital) -growth…

that creatures came about by Evolution. However, the society at the time was very religious and had trouble accepting that creatures did not always stay the same as in the Bible, it is said that God created creatures. It says that God created them…

Aim The aim of this experiment is to investigate the movement of water by osmosis in and out of plant cells across a semi permeable membrane in sucrose solutions of different concentrations. The plant cells used in the experiment are potato and Chinese…