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Biology chapter 1 vo

QuestionAnswer
Science an organized way of using evidence to learn about the natural world. The study of natural occurrences and phenomenon on earth.
Observation The process of gathering information about events of processes in a careful orderly way
Data The information gathered from observations
inference a logical interpretation based on prior knowledge of experience
Hypothesis A proposed scientific explanation for a set of observations
Spontaneous generation Is an idea life could arise from non living matter
Controlled experiment an experiment in which only one variable is changed, but the others are kept the same.
manipulated variable the variable that is deliberately changed
Responding variable the variable that is observed and that changes in the response to the manipulated variable
theory A hypothesis that becomes so well supported that scientists consider it a theory. A possibility of explaining it
Biology the study of life
Sexual reproduction two cells from different parents unite to produce the first cell of the new organism
Asexual reproduction a new organism that 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 A signal to which an organism responds
Homeostasis the process in which organisms keep internal conditions such as temperature constant to survive
evolution the changing of organisms over time, the slow process of change in life.
Metric system a chemical system scaled on multiples of ten (10)
Microscope a devise that magnifies an image (or something to small for the naked eye to see)
Compound light microscope Allows light to pass through the specimen and uses two lines to form an image
Electron microscope uses beams of electrons to produce images
Cell culture develops from a single original cell.
Cell Fractionation Uses two separate different cell parts. A term used to describe any method for separating and purifying biological molecules.
Created by: zkolotos
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