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All main topics / Biology / General Terms

Biology 2 (32 Cards)

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Cell
The smallest functional unit of life.
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Community
A collection of organisms whose members interact with one another.
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DNA
The abbreviation of deoxyribonucleic acid, a biological molecule that stoer and transmits genetic information.
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Observation
The process of perceiving the environment with any of the five senses.
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Causation
A cause and effect relationship in which one variable controls the changes in another variable.
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Control Group
A subject or group of subjects in an experiment that is not exposed to the factor or condition being tested and which is used as a basic for comparison.
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Controlled Experiment
One that only tests for one variable at a time , so that all other factors can be ruled out.
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Correlation
A close relationship between two variable in an event or situation.
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Dependent Variable
A condition or factor which is affected by another factor or factors.
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Experimental Group
A subject or group of subjects in an experiment that is exposed to the factor or condition being tested.
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Hypothesis
A testable, possible explanation for a scientific problem.
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Independent Variable
The condition or factor which can be manipulated in an experiment and which influences another factor.

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Inferences
Possible interpretations of observations that are based on previous experience.
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Mass
The amount of matter in a sample of a substance.
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Meniscus
The curved surface of a liquid in a cylindrical container.
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Metric System
The base ten measurement system used internationally by scientists.
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Qualitative
An observation that does not involve or include numbers.
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Quantitative Observation
A measurement or any observation involving numbers.
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Scientific Method
A logical, stepwise approach to solving a scientific problem.
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Temperature
The measurement of the average kinetic energy of the molecules of a substance.
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Theory
A tested explanation of facts, observations, and natural phenomena.
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Variable
A condition or factor involved in an experiment.
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Volume
The space occupied by a sample.
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Ecosystem
all of the organisms in an area, together with the physical environment the inhabit.
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Molecule
a group of atoms connected in a particular way.
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Organ
a specialized structure that carries out a specific function in living organisms.
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Organ system
a collection of organs that work together to carry out a specific set of biological functions.
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Organisms
an individual  living thing.
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Population
a group of individuals of the same species living together in the same area at the same time.
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Tissue
a group of similar cells that work together to perform a distinct function.
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The Organization of Life
• Molecule
• Cell
• Tissue
• Organ
• Organ System
• Organism
• Population
• Community.
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The Hierarchy of Life
• Ecosystem
• Community
• Population
• Organism
• Organ
• Tissue
• Cells
• Molecule.
Flashcard set info:
Author: sufergurl
Main topic: Biology
Topic: General Terms
School / Univ.: MOVIP
Published: 10.09.2009
 
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