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Chapter 1, lesson 1

what is life

organism a living thing
cell The basic unit of structure and function in living things
unicellular made of a single cell
multicellular consisting of many cells
metabolism The combination of chemical reaction through which an organism builds up or breaks down materials
response an action or change in behavior that occurs as a result of a stimulus
development the process of change that occurs during an organism's life to produce a more complex organism
asexual reproduction a reproductive process that involves only one parent and produces offspring that are genetically identical to the parent
sexual reproduction a productive process that involves two parents that combine their genetic material to produce a new organism which differs from both parents
spontaneous generation an experiment in which only one variable is manipulated at a time
autotroph an organism that is able to capture energy from sunlight or chemicals and use it to produce its own food
heterotroph an organism that cannot make its own food and gets food by consuming other living things
controlled experiment an experiment where only one variable is manipulate at one time
homeostasis the condition in which an organism's internal environment is kept stable in spite of changes in the external environment
Created by: sscollin