Physio Intro Practice Quiz
These detect changes in the environment
A. Control Center
C. Communication System
This variable in an experiment is the one being deliberately changed by the scientist.
A. dependent variable
B. independent variable
D. control group
Homeostasis in the human body is often maintained by a:
A. neutral feedback loop
B. solar feedback loop
C. positive feedback loop
D. negative feedback loop
A student wants to test the effects of type of exercise on heart rate. What is the dependent variable?
A. heart rate
B. type of exercise
C. amount of exercise
D. time of day exercise occurs
The study of body FUNCTION
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables?
A. Type of plant, amount of music, and sunlight
B. Water, apple juice, milk
C. Plant growth
ALL living things are made up of ___________, the basic unit of life.
What is a control group in an experiment?
A. a group in an experiment that remains unchanged for purpose of comparison (missing the IV)
B. a group in an experiment that changes to compare the IV and DV variables
C. the manipulated group
D. the group that is altered
Scientific questions have to be…
C. E. R. means…
A. claims, evidence, and reasoning
B. claims, evidence, and writing
C. claims, errors, and reasoning
What system breaks food down into energy for the body?
B. Digestive System
C. Respiratory system
This system breaks down food into nutrients the body can absorb.
What system receives oxygen and gets rid of carbon dioxide?
B. Muscular System
D. Respiratory System
True or False: Your hypothesis can never be wrong.
The study of body STRUCTURE
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