The rational and prudent use of natural resources is known as
preservation
conservation
utilization
management
Which of the following pyramids gives the most accurate picture of the relationship between organisms at the various trophic levels in a food chain? A pyramid of
numbers
energy
biomass
size
Muscles act in opposite directions in order to
cause a bone to move
prevent dislocation at joints
prevent muscle fatigue
regulate bodily activities
Which of the following organs is responsible for the production of insulin
Spleen
Adrenal gland
Thyroid gland
Pancreas
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