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biology mtynes

biology chap1

QuestionAnswer
pricess of noticing and describing events or processes in a careful, orderly way observation
a logical interpretation based on prior knowledge and experience. inference
possible explanation for a set of observations that can be tested in ways that support or reject it. hypothesis
factor in a controlled experiment that is deliberately changed (also called manipulated variable. independent variable
variable that is observed and that changes is response to the independent variable (also called the responding variable dependent variable
group in an experiment that is exposed to the same conditinos as the experimental group except for one idependent variable control group
group in an experiment for which the independent variable is changed. (the group being experimented on. experimental group
info gathered from observations; evidence data
numbers obtained by counting or measuring quantitative data
descriptive; involve characteristics that cannot be counted. qualitative data
well tested explanation that unifies a broad range of observations and hypotheses, and enables scientists to make accurate predications about new situations theory
are considered universal and invariable facts of the physical world scientific (natural laws)
the study of life biology
an living thing organism
anything in an organism's external or internal environment that causes the organism to react stimulus
reaction to a stimulus response
regulation of an organism's internal environment to maintain conditions suitable for its survival homoestasis
the combination of chemical reactions through which an organism builds up or breaks down materials metabolism
smallest unit of life capable of carrying out all the functions of living things cell
group of cells that performs a specific function in an organism tissue
several organs working together to perform a function organ system
group of organisms of the same species that lives together in a particular location population
includes all the populations of different kinds of organisms living in the same place community
an instrument that uses lenses to produce a enlarged, focused image of a specimen microscope
the ability to distinguish between two points as separate points resolution
Created by: matthew.tynes.15
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