Study Science 7 Chapter 1 Flash Cards

 
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Science 7 Chapter 1

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genus
a group of similar species
binomial nomenclature
the two word naming system that Linnaeus used to name the various species
kingdom
the first and largest category of the classification system
phylogeny
the evolutionary history of an organism
common name
a nonscientific term that may vary from region to region
biogenesis
the theory that living things come only from other living things
spontaneous generation
the idea that living things come from nonliving things
contaminate
to make impure by coming into contact with an unwanted substance
homeostasis
an organism's ability to keep the proper conditions inside no matter what is going on outside the organism
cell
the smallest unit of an organism that carries on the functions of life
organism
any living thing
raw materials
substances needed by organisms to make other necessary substances
law
a statement about how things work in nature that seems to be true all the time
theory
an explanation of things or events based on scientific knowledge that is the result of many observations and experiments
variable
something in an experiment that can change
control
the standard to which the outcome of a test is compared
hypothesis
a prediction that can be tested
scientific methods
a series of procedures used to solve problems and answer questions
experiment
using controlled conditions to test a prediction
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