A | B |
science | an organized way of using evidence to learn about the natural world |
observation | the process of gathering information about events or processes |
data | the information gathered from observations |
inference | a logical interpretation based on prior knowledge or experience |
hypothesis | a proposed scientific explanation for a set of observations |
spontaneous generation | the idea that life could arise from nonliving matter |
controlled experiment | an experiment where only one variable is changed at a time |
manipulated variable | the Independent variable |
responding variable | the Dependent variable |
theory | a well-supported hypothesis |
biology | the study of life |
cell | smallest functional unit of life |
homeostasis | internal stability |
sexual reproduction | cells from 2 different parents unite to form the first cell of a new organism |
asexual reproduction | a single parent produces offspring that are identical to itself |
metabolism | the combination of reactions through which an organism breaks down or builds up materials |
stimulus | a signal to which an organism responds |
metric system | a system of measurement based on units of 10 |
microscope | any device that produces a magnified image |
compound light microscope | allows light to pass through a specimen and uses two lenses to form an image |
electron microscope | uses beams of electrons to produce an image |
cell culture | a group of cells grown on a nutrient solution from a single parent cell |
cell fractionation | a technique that utilizes a blender and centrifuge to separate the different parts of a cell |