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Chars Life, Sci Meth

Biology

TermDefinition
Metabolism the sum of all life processes carried out by an organism
Reproduction process of making more of a species (not a metabolic process)
Nutrition process of obtaining food
Digestion process an organism uses to break down a large molecule into smaller molecules
Excretion process an organism uses to release wastes
Transport process of delivering materials to/from cells
Homeostasis process of keeping an internal balance (example...humans sweat to cool down their bodies)
Growth physical changes an organism goes through in its lifetime
Evolve gradual changes in a population's gene pool over time (not a metabolic process)
Synthesis process of putting small molecules together to form larger molecules
Regulation process of controlling life processes
Locomotion movement from place to place (NOT a characteristic of life)
Nonliving not endowed with life
Organelles tiny structures inside a cell that each perform a specific job for the cell
Cell the smallest structure found in all living things
Tissue group of similar cells that perform a particular function
Organs group of tissues that work together to perform closely related functions
System a group of organs working together
Organism an individual living thing
Unicellular one celled, simple, lack tissues, organs, systems
Multicellular many celled, complex, have tissues, organs, systems
Genetic Code (DNA) linear polymer found on the nucleus of a cell and associated with the transmission of genetic information
Reproduction the production of offspring
Asexual reproduction simple organisms, 1 parent, no gametes, identical offspring
Sexual Reproduction complex organisms, 2 parents, gametes, variation in offspring
Stimulus information or event that acts to arouse action
Synthesis process an organism uses to join small molecules together to make a larger molecule
Circulation movement of blood through the heart and blood vessels
Absorption The process of absorbing or assimilating substances into cells or across the tissues and organs through diffusion
Photosynthesis process plants use to make food
Cellular respiration process all living things use to make energy inside cells
Differentiation (specialization) process in which cells become specialized in structure and function
Autotroph (producer) organism that can capture energy to produce its own food
Heterotroph (consumer) organism that obtains energy from the food it consumnes
Inorganic molecules molecules without carbon
HONC the four elements found in all organisms
Evolve undergo development or evolution
Scientific Method organized set of steps used to solve a problem
Variables factors in an experiment that can change (time, location, etc...)
Conclusion statement that supports or refutes your hypothesis
Independent variable one factor that is purposely changed in an experiment
Dependent variable data you are measuring during an experiment
Controlled variable factors in an experiment that remain constant in each group
Control group group that is compared to the experimental group (no change is expected)
Law a proven theory...it cannot change. (law of gravity)
Theory a generally well accepted conclusion (theory of evolution)
Controlled experiment experiment in which all variables remain constant, except for one
Experimental group experimental group in which you purposely change one thing...group you are "testing"
Hypothesis an educated guess, "If...then" statement
Created by: gmottola
 

 



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