Some sensory receptors decrease their frequency of action potentials when exposed to a continued,
constant stimulus in a process known as:
a. transduction.
b. sensory adaptation.
c. referred perception.
d. reception.
e. sensory summation
B
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Sympathetic effects include
a. decreased heart rate. b. decreased salivation. c. narrowing of pupils. d. constriction of the airways. e. none of these
The defining characteristic(s) of the root cap is that it
A. protects the meristem from abrasion. B. is located at the tip of the root. C. secretes a lubricant for the growing root. D. plays a role in sensing gravity. E. All of the answer choices are correct.
Which of the following is a major determinant
in which plant species becomes a pioneer species in a primary succession event?
a. the species of plants that preceded it b. the animals that occupy the area c. chance events d. the nature of the existing soils e. the type of disturbance
How many unique haploid gametic genotypes could be produced through independent assortment by an organism with the diploid genotype AABbCCDdEe?
What will be an ideal response?