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Chapter 1 lesson 1
What is life
Term | Definition |
---|---|
Cell | The basic unit of strcuture and function in an organism |
Organisim | a living thing |
unicellar | the single cell is responsibe for carrying out all of the functions necessary to stay alive |
multicellular | Specailized cells in your body, such as muscle and nerve cells, work together to keep you alive. |
Metabolism | the cellls of organism use energy to do what living things must do , such as grow and repair injured parts |
stimulus | stimuli includes changes in light, sound and other factors |
response | an action or change in behavior |
development | is the process of change in a organism life |
Asexual reproduction | involves only one parent and produces offspring that are identical to the parent |
Sexual reproduction | involves two parents and combines their genetic material to produce a new organism that differs from both parents |
spontaneous generation | the mistaken idea that living things can arise from nonliving souces |
controlled experiment | A experiment in which only one varible is manipulated at a time |
autothophs | An organism that is able to capture energy from sunlight or chemicals and use it to light |
heterotrophs | An organism that cannot make its own food by consuming other living things |
homeostasis | the condition in which an organisims internal environment is kept stable in spite of changes in the external environment |