Biology 1001A Lecture Notes - Lecture 3: Ribozyme, Transfer Rna, Homochirality
8 Nov 2012
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Display orde r - all forms of life are arranged in a highly ordered manner, with the cell being the fundamental unit of life. All forms of life acquire energy from the environment and use it to maintain their highly ordered state. All organisms have the ability to make more of their own kind. Organisms are able to regulate their internal environment such that conditions remain relatively constant (sweating is on way in which the human body attempts to remove heat and thereby maintain a constant temperature). All organisms increase their size by increasing the size and/or number of cells. Populations of living organisms change over the course of generations to become better adapted to their environment. Properties, like the 7 characteristics of life, are considered emergent because they come about or emerge from many simpler interactions that, in themselves, do not have the properties found at the higher levels.
