a trace of ancient organism tht has been preserved in rock or other substance
an organism whose cells lack a nucleus and some other structures
the dense area in a eukaryotic cell that contains...
an organism whose cells contain a nucleuiq
the process of grouping things based on their similarites
the scientifc study of how living things are classified
the system for naming organisms in which each organism is given a unique two-part scientific name indicating its genus and its specie
a classification grouping that consists of a number ofsimilar closely related species
the process by which species gradually change over time
the basic unit of structure and function in an organism
the maintence of stable conditions
an organism that makes its own food
an experiment in which all factors are identical except one
the mistaken idea that living things arise from nonliving sources
an action or change in behavior that occurs as a result
consisting of many cells
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