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Biology: Cahpter 1

QuestionAnswer
Biology Study of life
Organism Living thing.
Stimulus change that causes a responce
Unicellular one cell
Inference educated guess
Extrapolate to extend your data using your best-fit line to guess what might come next.
Dependent Variable variable that has been measured or changed
Control Variable factor in an experiment that scientist purposely keep the same
Experimental (Independent) Variable the condition that is being tested
Directly proportional When the X & Y axis both go up. (Positive graph)
Indirectly proportional When the y axis goes down and the x axis goes up. (negative graph)
Sexual reproduction exchange DNA, look different.
Asexual Reproduction one parent producing identical. "clones"
photosynthesis process where green plants use sun light to make their own food
theory explanation of natural phenomenon supported by many observations/experiments over time
Variable factor in an experiment that can change
respiration the action of breathing
homeostasis process by which organism maintain a relatively stable internal environment
adaption evolve over time
positive feedback when a stimulus produces a response to reinforce that stimulus. (No range)
Interpolate using data you already have to find a relative point within that data
response reaction to stimulus
synthesis small substances become larger
metabolism all chemical rx's that occur in an organism
differentiation precess in which cells become specialized in structure and function
negative feedback when something goes out of its range
What are the 8 characteristics of living things? 1: Composed of cells 2:Displays organization 3:Growth&Development 4: Reproduction 5:Responds to stimulus 6:Requiring Energy 7:Maintains homeostasis 8:Adaptation
What are the 5 levels of organization? 1:atomic or molecular 2:Cells 3:tissues 4:organs 5:organ systems
What are the 7 steps of the scientific method? 1: purpose (form of a question) 2:Hypothesis (educated guess) 3:Materials 4:Procedures (numbered steps) 5:data/ observations (tables & charts) 6:analyzing the data 7:results
Why is a best-fit line used? To analyze the data more easily and see the constant within the data
Name 3 types of graphs line bar pie
what factors influence metabolism? diet exercise gender age
Whats the difference between hypothesis, law and theory? Hypothesis is a testable guess, and law is a proven fact, and a theory is an explanation for a natural event supported by many observations and experiments.
Whats the difference between inference and observation? An inference is an educated guess or a guess on something that you have prior knowledge about and an observation is a use of one or more of the senses to gather info.
Created by: k_bizzle
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