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Life Science Ch 2

Key Terms from Life Science Chapter 2: Living Things

QuestionAnswer
organism living thing
unicellular organisms with one cell
multicellular organisms with more than one cell
stimulus a change in an organisms surroundings that cause it to react
response an action or change in behavior
development process of change that occrs during an organism's life to produce a more complex organism
spontaneous generation mistaken idea that living things can arise from nonliving sources
autotrophs make their own food
heterotrophs cannot make their own food
homeostasis stable internal conditions
classification the process of grouping things based on their similarities
taxonomy scientific study of how things are classified
binomial nomenclature a unique, two-part scientific naming system
genus classification grouping that contains similar, closely related organisms; the first name
species group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce
prokaryotes organisms whose cell does not have a nucleus
eukaryotes organisms whose cells do have nuclei
Created by: mrslehman
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