Bio Definitions Ch 1
Terms
undefined, object
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- cell
- collection of living matter enclosed by a barrier.
- microscope
- device that produces magnified images.
- stimulus
- a signal to what an organism replies
- observation
- use of one or more of the senses.
- metabolism
- set of chemical reations through which a organism builds up or breaks down materials.
- manipulated variable
- factor in expirement that a scientist purpously changes.
- hypothesis
- possible explanation for a set of observations
- homeostasis
- process in which organisms maintain a stable enviroment.
- data
- evidence,information gathered from observations
- cell culture
- groups of cells grown in a nutrient solution from a single cell.
- Science
- Organized way of using evidence to to learn about the natural world.
- spontaneous generation
- life arising from non-living matter
- electron microscope
- microscope that forms a by focusing beams of electrons.
- sexual reproduction
- reproduction that includes two parents.
- responding variable
- factor in an expirement that scientists want to observe.
- theory
- well-tested explanation that unifies a broad range of observations.
- asexual reproduction
- process in which a cell reproduces from single parent
- metric system
- decimal system of measurement based on certain standards.
- biology
- science that seeks to understandthe living world
- inference
- logical interpretation ofbased on prior knowledge.
- compound light microscope
- microscope that allows light to passthrough a specimen.
- evolution
- a change in a organism over time
- cell fractionation
- technique in which cells are broken into pieces.