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24 Cards in this Set
- Front
- Back
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the basic unit is the cell
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organization
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maitenance of a stable internal environment
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homeostasis
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reaction to a change in the environment
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response to stimulus
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cell enlargement and division
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growth
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changes in an organism that takes place over time
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development
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transmission of heredity information from one generation to the next
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reproduction
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biology is the study of
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life
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and the _______ among them.
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interaction
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biologists use a variety of ---- to study the details of life
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scientific methods
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what is meant by scientific method?
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The common steps that biologists and other scientists use to gather information and answer questions.
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What is a hypothesis?
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Hypothesis is an explanation for a question or a problem that can be formally tested.
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How is a hypothesis tested?
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You perform an experiment to test a hypothesis.
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The condition being observed or measured in an experiment
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dependent variable
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The condition that is changed by the experimenter
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independent variable
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In an experiment the group in which all conditions are kept the same except for the one being tested
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experimental group
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In an experiment the group in which all conditions are kept the same
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control group
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a procedure that tests a hypothesis by collecting information under controlled conditions
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experiment
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over time a hypothesis that is supported by many observations and experiments becomes a
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theory
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Some well established facts of nature such as gravity are recognized as
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laws
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what is the primary focus of all biological studies?
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the understanding of living things and how they interact
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what is meant by "living things do not exist in isolation"
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Living things need other living things
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another word for a living thing
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organism
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every living thing is made up of parts that function together in an orderly living _____
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environment
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one kilogram equals how many grams?
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1000 grams
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