Characteristics of Life A Dr. Production
Is a flame alive? Why or why not? Is a virus alive? Why or why not? What is Life? What are the characteristics of life?
Respiration Using oxygen to change food into energy Is NOT breathing Inputs:oxygen + sugar Outputs: Energy + carbon dioxide + water Mitochondria makes ATP
Development Meatball tadpolealien Change in structure
Growth Change in size
Ingestion Taking food/nutrients into your cells
Digestion changing food into a form that your body can use
Circulation Moving “stuff” around the body (oxygen, nutrients, wastes) Does not require blood
Excretion Getting rid of wastes
Reproduction Making more of one’s self by passing on genetic material
Respond to stimuli Reaction from an action in the environment
Made of Cells All living things are comprised of one or more cells
Homeo stasis The ability or tendency of an organism or cell to maintain internal equilibrium by adjusting its physiological processes.
MetabolismThe chemical processes occurring within a living cell or organism that are necessary for the maintenance of life.
Name that characteristic…
Name that characteristic…
Name that characteristic…
Name that characteristic…
Name that characteristic…
Name that characteristic…
Name that characteristic…
Name that characteristic…
Name that characteristic…
Name that characteristic…
Name that characteristic…
Name that characteristic…
Any questions, problems or difficulties?