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Chapter 1 lesson 1

What is life

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
Created by: 0003565stu