100% correct answers
( graded A+)
Theory - answer A hypothesis that has been tested with a
significant amount of data, backed by strong evidence
Law - answer A descriptive statement or equation that reliably
predicts events under certain conditions
Hypothesis - answer A testable prediction, often implied by a
theory
Control - answer In an experiment, the standard that is used for
comparison
Experimental group - answer In an experiment, the group that is
exposed to the treatment, that is, to one version of the
independent variable.
Independent variable - answer The experimental factor that is
manipulated; the variable whose effect is being measured. Plotted
on the x axis
,Dependent variable - answer The outcome factor; the variable
that may change in response to manipulations of the independent
variable. Plotted on the y axis
Autotrophs - answer Organisms that are able to make their own
food
Heterotrophs - answer An organism that obtains organic food
molecules by eating other organisms or their by-products.
Diffusion - answer Movement of molecules from an area of higher
concentration to an area of lower concentration; requires no
energy
Osmosis - answer Diffusion of water through a selectively
permeable membrane; moves from higher to lower water
concentration
Active transport - answer Energy-requiring process that moves
material across a cell membrane against a concentration
difference
Botany - answer The scientific study of plants
Biology - answer The scientific study of life
, Chemistry - answer The study of the properties of matter and how
matter changes
Genetics - answer The scientific study of heredity
Ecology - answer Scientific study of interactions among organisms
and between organisms and their environment
Evolutionary Biology - answer The study of organisms and their
changes
Molecular Cell Biology - answer The study of the molecules and
the structures that make up the cell, the reactions that occur
within the cell, including DNA.
Stomata - answer Small openings on the underside of a leaf
through which oxygen and carbon dioxide can move
Guard cells - answer The two cells that flank the stomatal pore
and regulate the opening and closing of the pore.
Respiration - answer Biochemical process in which an organism
gets energy by breaking bonds of ATP
Aerobic respiration - answer The process by which cells convert
glucose and oxygen into energy, carbon dioxide, and water.