The theory of evolution has been one the most hotly debated questions in the history of mankind. Ever since Charles Darwin proposed that there was some sort of adaptive feature that allowed the fittest to survive, humanity has been at…
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In the universe, a large amount of liberated energy (that is, energy not tied up as matter), exists as heat. Most energy eventually filters down to heat, after being transformed through all its various states. For example, if I use…
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A recent New Scientist article discussed the “Tree of Life” used by evolutionary scientists for so long, and the current research and debate that seems to call for a substantial change in the appearance, even the truth of the Tree…
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All life, and subsequently all organisms, evolve according to the dictates of their surrounding environment; that is of course, if the surrounding environment changes over a time period sufficient to allow the organism to evolve. An immediate catastrophe, and by…
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In this article I will discuss the composition of cells on the molecular level as far as molecules are concerned. The collection of molecules that are present in the cells is called protoplasm. The protoplasm of cells includes water and…
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The cellular biology is a wide and versatile area of research. Your mind cannot imagine the huge number of chemical reactions that take place inside the cell. Each cell is comprised of organelles which each has a special function related…
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Is a panda a closer relative to a bear or a raccoon? This question has perplexed biologists for over a century, and has continued to perplex scientists decades after the case seems to have been, somewhat hopefully, declared closed[ 1]….
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Active transport across the cellular membrane refers to a process in which ions and some molecules are actively transported from one side of the cell to the other side of the cell membrane. This process is referred to as active…
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Cells are in general divided into two types. These are: eukaryotes and prokaryotes. Simply speaking, eukaryotic cells differ than prokaryotes by the absence of nuclei in the latter with all accompanied characteristics to this such as inability to divide and…
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The evolution of the dinosaurs begins with the DevonianPeriod, close to four hundred million years ago. The occurrence of the animals migrating form water to land occurred during the Devonian Period. Animals did this in search of food sources which…
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