Independent variable - correct answer. a variable that stands alone and isn't changed
by the other variables you are trying to measure, change or controlled
example: age
dependent variable - correct answer. a variable dependent on other factors, tested or
measured
example: test score - factors that go into a score you receive on a test
control group - correct answer. does not receive treatment and used to compare or
measure the other subjects
experimental group - correct answer. exposed to changes in independent variable
anatomy - correct answer. branch of science concerned with bodily structure of living
organisms; structure
, physiology - correct answer. science dealing with the functions of living things or their
organs
level of organization - correct answer. living things arranged from the simplest to most
complex are:
organelle
cells
tissues
organs
organ systems, organism
populations communities
ecosystem
biosphere
requirements for life - correct answer. Cellular organization
Reproduction
Metabolism
Homeostasis
Heredity
Response to stimuli
Growth and development
Adaptation through evolution
homeostasis - correct answer. relatively constant internal physical and chemical
conditions that organisms maintain
receptor - correct answer. senses environmental stimulus and sends info to control
center
control center - correct answer. hypothalamus
signals effector
effector - correct answer. responds to stimuli
example: muscle contracting
negative feedback mechanisms - correct answer. net effect is that the original output
of the system shuts off the original stimulus or reduces the intensity
homeostasis
negative feedback mechanisms - correct answer. most common form of homeostasis,
bringing people back to normal functioning
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