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Biology Chapter 1 -

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QuestionAnswer
biology is the scientific study of life
organization form and function
homeostasis the ability to maintain a relatively constant internal environment (temperature, pH, moisture, etc.)
respond to stimuli move toward or away from the stimuli (ex: light)
irritability organism reacts to its environment
growth increase in size of cells and/or number of cells
adaptation adjusts to interact better with its environment
characteristics of living things organization, intake of food and energy, homeostasis, respond to stimuli, reproduction, growth, adaptation
cell basic unit of life
tissue groups of similar cells interacting for a common function
organ different tissues with different functions interacting for one common goal
system groups of organs with related functions
organism groups of systems
population a group of the same kind of organism in the same geographic area
community different kinds of organisms interacting and living in the same geographic area
ecosystem community interacting with non-living things (water, air, soil, etc.)
biosphere the thin layer of life that encircles the earth and includes all of the communities on the planet
taxonomy naming, describing, and classifying
3 domains Archaea, Bacteria, Eukarya
Eukarya's four kingdoms Protista, Fungi, Plantae, Animalia
classification of living things order: kingdom, phylum, class, order, family, genus, species KP COF GS Kirk, please come over Friday. Gilmores + Sookie
Genus capitalized and italics
species lower case and italics
scientific method observation, pattern rocognition, hypothesis, experimentation, data analysis, conclusion
A hypothesis or theory is never... A hypothesis or theory is never proven. It is either supported of not supported by experimental data.
variable factor that can cause an observable change
experimental or independent variable the one variable that is changed
controlled variables variables that are kept the same or whose effects are said to be random
dependent variable the change that we measure
Created by: chelsea_2010
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