Flashcards: Shared Characteristics of Life
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Created by:
christinavnc on January 26, 2011
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The nine characteristics of life.
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Log in to favorite or report as inappropriate.All 9 terms
Terms | Definitions |
|---|---|
 Organization | All life is organized into many systems, including tissues, organs, and organ systems just to name a few. |
| DNA | Deoxyribonucleic Acid. |
| Growth | All lifes exhibits this at some point. This may be by producing new cells or enlarging existing cells. |
| Irratibility | Any response to a change in the environment. |
| Metabolism | The sum total of all chemical reactions that occur in an organism. This reguires energy in the form of ATP. |
| Homeostasis | Maintaining a constant internal environment (e.g. body temperature). |
| Reproduction | All life produces offspring in one of two ways: asexual--produces offspring with only one parent; or sexual- two parents produce offspring. |
| Adaptation | This characteristic is found in populations and can be observed by comparing the variety of traits in any given species. |
| Interdependancy | All organisms are dependant on eachother for survival. |