The respiratory surface of an earthworm is
found in the
a. lungs.
b. gills.
c. skin.
d. gastrovascular cavities.
e. trachaea
C
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Compare the operation and function of a trickling filter system and activated sludge
What will be an ideal response?
Celiac disease is a condition in which the lining of the small intestine is damaged. Which
digestive process is primarily impacted by this disease?
a. nutrient absorption b. chemical breakdown c. production of digestive enzymes d. bile production
When chemoreceptors detect a slight decrease in pH, this means that __________ concentrations have
increased, and the breathing rate must __________. a. carbon dioxide; increase b. carbon dioxide; decrease c. oxygen; increase d. oxygen; decrease e. chloride; decrease
What is an example of sensory adaptation of receptors?
A) distinguishing between different colors B) ignoring the shoes on your feet C) thinking about what you would do with a million dollars D) detecting sound and light simultaneously