In a population of rabbits, those able to outrun predators will survive to reproduce, eventually leading to a population
of faster rabbits. This is an example of ____ selection.
a. directional
b. stabilizing
c. disruptive
d. mutational
e. restricted
ANSWER: a
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Antimicrobials that kill microorganisms have the suffix
A. -cidal. B. -static. C. -anti. D. -genic.
Where are complement proteins synthesized, and what do they do?
a. in the bone marrow, generate new platelets and T-cells b. in the kidneys and plasma, destroy intracellular pathogens c. in macrophages and the liver, destroy extracellular pathogens d. in the spleen and duodenum, generate macrocytes
Embryonic plants are nourished by nutrients in endosperm, cotyledons, and fruits
Which of the following uses CO2 for carbon and H2 for energy?
A) chemoautotroph B) chemoheterotroph C) photoautotroph D) photoheterotroph