Circulatory & Repsiratory
Nervous & Muscular
CER Practice
Levels of Organization
100
The respiratory system's main organ are the _________.
lungs
100
The nervous system's main organ is the ________.
Brain
100
Which of the following answers the original problem or question?
A) Claim
B) Evidence
C) Reasoning
A) Claim
100
Which level of organization is a stomach a part of?
A) Cell
B) Tissue
C) Organ
D) Organ System
Organ
200
Smoking would primarily affect the ____________ system.
respiratory
200
Cold temperatures are detected through the ________________ system.
Nervous
200
Which of the following includes reasoning?
A) We took two pictures. One had yellow leaves and the one on the windowsill had green leaves.
B) Our plant on the windowsill grew more and was green. I know that plants need sunlight to grow, so the green color might have something to do with getting the light they need.
C) Our plant in the closet is yellow. The plant on the window sill is growing. They are different colors.
B
200
What level of organization is the heart tissue a part of?
Tissue
300
The circulatory system delivers _________ and ________ to body cells.
oxygen and nutrients
300
Bones and muscles help to protect our ____________.
organs
300
The following statement is considered a (claim, evidence or reasoning).
"After 11 days of growth, the plant that received 9 hours of sunlight per day grew the most."
Claim
300
What level of organization is a bicep muscle a part of?
Organ
400
Heart attacks, strokes and high blood pressure are a result of an affected _____________ system.
circulatory
400
When the heart rate and breathing rate increase, the muscles are demanding more _________ in order to convert energy.
Oxygen
400
Which of the following choices includes evidence?
A) pH ranged from 6.0 to 7.2.
B) The plants grew.
C) The plant grew 25.4 cm with a soil pH of 6.0 and the plant grew 53.3 cm with a soil pH of 6.6.
D) 7 observations were taken throughout the study.
C) The plant grew 25.4 cm with a soil pH of 6.0 and the plant grew 53.3 cm with a soil pH of 6.6.
400
What level of organization is the excretory system a part of?
Organ System