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sc. ch2 1&2

6th grade science ch. 2 parts 1 and 2

cell the basic unit or structure and function in living things
unicellular made of a single cell
multicellular consisting of many cells
stimulus a change in an organisms surroundings that causes the organism to react
response an action or change in behavior that occurs in reaction to a stimulus
organism a living thing
homeostasis the maintenance of stable internal conditions in an organism
development the process that occurs during an organisms life to produce a more complex organism
autotroph an organism that makes its own food
heterotroph an organism that cannot make its own food
spontaneous generation the mistaken idea that living things arise from nonliving things
binomial nomenclature the system for naming organisms in which each organism is given a unique, two-part scientific name
classification the process of grouping things based on their similarities
taxonomy the scientific study of how living things are classified
genus a classification grouping that consists of a number of similar closely related species
species a group of organisms that are physically similar and can mate with each other and produce offspring
prokaryote an organism whose cells lack a nucleus and some other cell structures
nucleus the control center of a eukaryotic cell that directs the cells activities and contains the information that determines the cells form and function
eukaryote an organism whose cell s contain nuclei
Created by: kapodis