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The Science of Biology
Remember to wait for the vocabulary word to pop up! Can you guess it before it comes up?
**Indicates Bonus (and important) Vocabulary!PB 20 09
ScienceOrganized way of gathering and analyzing
evidence about the natural world
ObservationProcess of noticing and describing events
or processes in a careful, orderly way
Hypothesis Possible explanation for a set of observations or possible answer to a
scientific question
Inference**Idea based on what is already known
Controlled ExperimentExperiment in which only one variable is
changed
1
Control GroupGroup in an experiment that is exposed to
the same conditions as the experimental group except for one
independent variable
Independent Variable**Factor in an experiment that a scientist
purposely changes
Dependent Variable**Factor in an experiment that a scientist
wants to observe, which may change in response to the manipulated variable
DataEvidence; information gathered from
observations
Theory Well-tested explanation that unifies a
broad range of observations and hypotheses and enables scientists to make accurate predictions about new situations
Bias
Particular preference or point of view that is personal, rather than scientific
Scientific
Biology
Scientific study of life
Deoxyribonucleic Acid (DNA)
Genetic material that organisms inherit from their parents
Stimulus
signal to which an organism responds
Sexual Reproduction**Process by which two cells from different
parents unite to produce the first cell of a new organism
2
2
2
Asexual Reproduction**Process by which a single parent
reproduces by itself
2
2
A = 1
Homeostasis Relatively constant internal physical and
chemical conditions that organisms maintain
Metabolism The combination of chemical reactions
through which an organism builds up or breaks down materials
Evolve**Change over time
Biosphere Part of the Earth in which life exists
including land, water, and air or atmosphere
Metric System**Decimal system of measurement based
on certain physical standards and scaled on multiples of 10
deca - 10hecto - 100kilo - 1000deci—.1centi—.01milli—.001
TheEnd