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Biology-Exploring Life
Chapter 7 Vocabulary
17
Biology
11th Grade
12/12/2011

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Term
Autotrophs
Definition
organism that makes tos own food
Term
Photosynthesis
Definition
process by which plants use the sun's energy to convert water and carbon dioxide into sugars.
Term
Producers
Definition
organism that makes its own food (autotroh) and produces organic molecules that serve as food for other organisms in its ecosystem.
Term
Heterotrophs
Definition
organism that obtains food by eating othr organisms
Term
Consumers
Definition
organism that obtains food by eating roducers (autotrophs) or other consumers.
Term
Cellular respiration
Definition
is a chemical process that uses oxygen to convet the chemical energy stored in organic molecules inot another form of cvhemical energy...a molecule called ATP.
Term
Kinetic energy
Definition
energy of motion
Term
Potential energy
Definition
energy that is stored due to an object's positio or arrangement.
Term
Thermal energy
Definition
total amount of energy associated with random movement of atoms and molecules ina sample of matter.
Term
Chemical energy
Definition
potential to perform work due to the arrangement of atoms within molecules.
Term
Calorie
Definition
the amount of energy required to raise the temperature of 1 gram of water by 1 degree Celcius.
Term
Electron transport chain
Definition
sequence of electron carrier molecules that transfer
electrons and release energy during cellular respiration
Term
Metabolism
Definition
all of a cell's chemical processes.
Term
Glycolysis
Definition
the splitting in half of a glucose molecule; the first stage of cellular respirationa nd fermentation.
Term
Krebs Cycle
Definition
stage of cellular respiration that finishes the breakdown of pyruvic acid and molecules to carbon dioxide, releasing energy.
Term
Fermemtation
Definition
cellular process of making ATP without oxygen.
Term
Anaerobic
Definition
without oxygen
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