A pea is actually a seed.
a. true
b. false
Ans: a. true
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Which of the following is the correct order of steps of gas transport and exchange?
A. ventilation, diffusion across the respiratory surface, circulation, diffusion between blood and cells B. diffusion across the respiratory surface, ventilation, diffusion between blood and cells, circulation C. ventilation, circulation, diffusion across the respiratory surface, diffusion between blood and cells D. circulation, diffusion across the respiratory surface, ventilation, diffusion between blood and cells E. diffusion between blood and cells, circulation, ventilation, diffusion across the respiratory surface
Symptoms of infectious mononucleosis include. Select all apply:
a. sore throat b. bloody stool c.fatigue d. jaundice e. fever
In commensalism
A. the host and commensal cannot be separated and remain viable and the commensal is metabolically dependent on the host. B. the commensal is metabolically dependent on the host. C. the host and commensal can be separated and remain viable. D. the host provides some factor that the commensal cannot get otherwise.
What is the metal ion in chlorophyll?
A. iron B. magnesium C. copper D. zinc E. sulfur