A hypothesis that has been tested with a significant
Theory
amount of data, backed by strong evidence
A descriptive statement or equation that reliably predicts
Law
events under certain conditions
A testable prediction, often implied by a theory Hypothesis
In an experiment, the standard that is used for compari-
Control
son
In an experiment, the group that is exposed to the treat-
Experimental group
ment, that is, to one version of the independent variable.
The experimental factor that is manipulated; the variable
Independent variable
whose ettect is being measured. Plotted on the x axis
The outcome factor; the variable that may change in re-
sponse to manipulations of the independent variable. Dependent variable
Plotted on the y axis
Organisms that are able to make their own food Autotrophs
An organism that obtains organic food molecules by eat-
Heterotrophs
ing other organisms or their by-products.
Movement of molecules from an area of higher concen-
tration to an area of lower concentration; requires no Dittusion
energy
Dittusion of water through a selectively permeable mem-
Osmosis
brane; moves from higher to lower water concentration
Energy-requiring process that moves material across a cell
Active transport
membrane against a concentration ditterence
The scientific study of plants Botany
The scientific study of life Biology
, UCF Biology Exit Exam Study Guide with Verified Answers
The study of the properties of matter and how matter
Chemistry
changes
The scientific study of heredity Genetics
Scientific study of interactions among organisms and be-
Ecology
tween organisms and their environment
The study of organisms and their changes Evolutionary Biology
The study of the molecules and the structures that make
up the cell, the reactions that occur within the cell, includ- Molecular Cell Biology
ing DNA.
Small openings on the underside of a leaf through which
Stomata
oxygen and carbon dioxide can move
The two cells that flank the stomatal pore and regulate the
Guard cells
opening and closing of the pore.
Biochemical process in which an organism gets energy by
Respiration
breaking bonds of ATP
The process by which cells convert glucose and oxygen
Aerobic respiration
into energy, carbon dioxide, and water.
Respiration in the absence of oxygen. This produces lactic
Anaerobic respiration
acid.
Plants use the sun's energy to convert water and carbon
Photosynthesis
dioxide into sugars
A change in an organism's surroundings that causes the
Stimulus
organism to react
A nerve cell; the basic building block of the nervous system Neuron
An electrical message that carries information in the ner-
Impulse
vous system.