Biology Unit 1 hypothesis
Terms in this set (19)
is an organized way of gathering and analyzing evidence about the natural world.
the act of noticing and describing events or processes in a careful, orderly way.
is a logical interpretation based on what scientists already know.
is a scientific explanation for a set of observations that can be tested in ways that support or reject it.
when only one variable is changed and all of the other variables stay unchanged or controlled.
is the one that deliberately changed
the variable that is observed and that changes in response to the independent variable.
is exposed to the same conditions as the experimental group except for one independent variable.
scientists make detailed records of experimental observations, gathering information.
a well-tested explanation that unifies a broad range of observations and hypotheses and that enables scientists to make accurate predictions about new situations.
is a particular preference or point of view that is personal, rather than scientific.
study of life.
all organisms store the complex information they need to live, grow, and reproduce in a genetic code written in a molecule
is a signal to which an organism responds.
cells from two parents unite to form the first cell of a new organism.
in which a single organism produces offspring identical to itself.
all organisms need to keep their internal environment relatively stable, even when external conditions change dramatically.
the combination of chemical reactions through which an organism builds up or breaks down materials.
part of earth in which life exists including land, water, and air or atomsphere.
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