Which of the following choices lists the organs of the human alimentary canal in the CORRECT order?
A) pharynx, oral cavity, esophagus, stomach, large intestine
B) oral cavity, pharynx, esophagus, stomach, small intestine, large intestine
C) esophagus, pharynx, stomach, large intestine, small intestine
D) oral cavity, esophagus, stomach, large intestine, small intestine
B
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Genetic traits that enhance survival tend to be passed from generation to generation. In the case of Colias eurytheme larvae, green larvae are camouflaged, and yellow larvae are easily spotted by predators. Over generations, you would expect:
A. the number of yellow larvae to increase, thus increasing the presence of the yellow gene in the population B. yellow larvae to decrease in numbers C. green larvae to be selected against D. both yellow and green larvae to develop a thicker skin so they are not as attractive to predators
Which correctly represents the sequence of steps involved to convey sensory information to the CNS?
A. stimulation and ion flow through the synaptic cleft B. neurotransmitter release and interpretation C. neurotransmitter release and ion flow through the synaptic cleft D. stimulation, transduction, transmission, and interpretation E. stimulation, transmission, and neurotransmitter release
The need for intense parental care of offspring favors mating systems that are
A) polygamous. B) diurnal. C) monogamous. D) promiscuous.
The atomic number equals the number of ________ in an atom.
A. protons plus electrons B. neutrons plus protons C. protons D. neutrons