Flashcard Set Preview
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| 1 |
The study of life
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biology
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Begins with specific observations(facts), draws general conclusion, used to form scientific...
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inductive reasoning
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Starts with general idea, makes specific predictions that follow logically
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deductive reasoning
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The concerted human effort to understand, or to understand better, the history of the natural...
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science
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A statement that provides some explanation for the observed facts
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hypothesis
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The variable that is measured, counted, or observed
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dependent variable
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The variable that is manipulated
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independent variable
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Independent variable is held at a constant level or omitted
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control
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Method or sequence of steps performed for the experiment
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procedure
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Repeating the experiment several times to provide consistent results
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replication
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Observation that is subjective(colors, smells, etc...)
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qualitative
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Observation that includes facts or measurements
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quantitative
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The capacity to do work
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energy
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The set of chemical reactions that occur in living organisms to maintain life.
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metabolism
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Molecules and structures that detect stimuli
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receptors
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A specific form of energy that a receptor can detect
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stimulus
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To maintain relatively constant internal conditions
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homeostasis
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Reproduction which requires the two cells from different individuals to unite to produce the...
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sexual reproduction
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Reproduction in which a single organism can reproduce without the aid of another.
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asexual reproduction
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Fundamental form of matter that cannot be broken down into a different form of matter by ordinary...
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element
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Smallest unit of an element that retains the element's properties, consist of three subatomic...
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atom
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Atom that varies in neutron number
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isotope
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Union between the electron structures of two or more atoms
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chemical bond
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Occurs when two or more elements intermingle in proportions that can vary
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mixture
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3 kinds of chemical bonds
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ionic, covalent, hydrogen
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8 characteristics of living things
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Assimilate and use energy, Can respond to their environment, Maintain relatively constant internal...
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Bond in which atoms of opposite charge attract each other
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ionic bond
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An atom that has either lost or gained one or more electrons
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ion
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Bond in which atoms share outer-shell electrons with other atoms
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covalent bond
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Bond in which a weak attraction forms when the positive end of 1 polarized molecule is attracted...
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hydrogen bond
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Type of covalent bonding in which distribution of charge is symmetrical
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nonpolar
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Type of covalent bonding in which distribution of charge is asymmetrical
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polar
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