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cells chapter 1

28 words for cells 1

metabolism sum total of all chemical activities in an organism.
stimulus signal to which an organism reacts; change in the environment
life span maximum length of time an organism can be expeted to live
excretion process of getting rid of waste materials
spontaneous hypothesis that states that life can spring from nonliving
ingestion taking in food;eating
digestoin process by which food is broken down into simpler substances
respiration process in which simple food substances such as glucose are broken down and the energy they contain is released
response some action or movement of an organism brought on by a stimulus
homeostasis ability of an organism to keep conditions inside it's body the same, even though conditions inside it's body the same, even though conditions in it's external environment change.
element pure substances that cannot be separated into simpler substances by ordinary chemical processes
compound two or more elements chemically combined
organic compound compound found in living things that contains the element carbon
carbohydrate energy rich substance found in foods such as vegetables,cereal grains,and bread;sugars and starches
fat substance that supplies the body with energy and also helps support and cushion the vital organs in the body
Created by: back in black