| Term | Definition |
|
science |
organized way of using evidence to learn about the natural world |
|
observation |
the process of gathering information about events or processes in a careful, orderly way |
|
data |
the information gathered from a observation |
|
inference |
is a logical interpetation based on prior knowledge or experience (logical prediction) |
|
hypothesis |
a proposed scientific explanation for a set of observation |
|
spontanious generation |
life could arise from nonliving matter |
|
controlled experiments |
whenever possible, a hypothesis should be tested by an experiment in which only on variable is changed in time. All other variables should be kept unchanged or controlled |
|
manipulated variable |
deliberatly changed |
|
responding variable |
observed and that changes in respnse to the manipulated variable |
|
theory |
well tested explanation that unifies a broad range of observations |
|
biology |
science that seeks to understand the living world |
|
cell |
a collection of living matter enclosed by a barrier that seperates the cell from its surroundings |
|
sexual reproduction |
two cells from different parents unite to produce the first cell of the new organism |
|
asexual reproduction |
the new organism has a single parent |
|
metabolism |
the combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes |
|
stimulus |
singal to which an organism responds |
|
homeostasis |
the process of staying alive |
|
metric system |
deciamal system of measurment whose untis are based on certain physical standards and are scaled on multiples of 10 |