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Intro to Life Sci.

Process Skills/Characteristics of Life

QuestionAnswer
homeostasis maintaining a stable internal environment or balance
stimulus anything that causes a response
unicellular an organism made of a single cell
multicellular an organism made of more than one cell
theory an explanation (tells WHY)
law a rule or fact that only tells WHAT will happen (not WHY)
metabolism the sum of all the chemical processes in an organism
excretion getting rid of waste
asexual reproduction reproduction involving only one parent organism
sexual reproduction reproduction that involves two parent organisms
hypothesis an educated "guess" or prediction
variable the one factor that differs among the control and experimental groups/what you are testing
constant a variable that needs to be controlled or kept the same among your groups so that the experiment is fair
control group the group in which the variable (testing factor) is left out
milli- 1/1000th
centi- 1/100th
deci- 1/10th
meter basic unit of length in the SI system (metric system)
deca- 10
hecto- 100
kilo- 1,000
mass the measure of the amount of matter in an object
volume the measure of the amount of space an object takes up
grams unit used to express the mass of an object
liters unit used to express the volume of a LIQUID
cubic centimeters or cubic meters unit used to express the volume of a SOLID
graduated cylinder tool used to measure volume
triple beam balance tool used to measure mass
density a measure of an object's mass in relation to its volume (D=Mass/Volume)
Created by: lolamcb
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