The extent to which a particular sensation can be experienced is mainly due to the
a. sensitivity of its receptors.
b. speed of nerve transmission.
c. brain area devoted to interpretation.
d. transmitter substances in the synapses.
e. amount of stimulus.
C
You might also like to view...
Biology can be approached by studying:
A. cognition. B. physiology. C. biomechanics. D. behavior. E. Cognition, physiology, biomechanics, and behavior are all ways in which biology can be approached.
At first glance cycads and palm trees look very similar. How are they distinguished?
A. Cycads have cones and palm trees, an angiosperm, have flowers. B. Cycads have cones, and palm trees, a gnetophyte, have single large fruits. C. Cycads have bare seeds and palm trees produce cones. D. Cycads are fertilized by wasps and palm trees are fertilized by water. E. Cycads are small shrubs and palm trees are trees.
The geologic time scale is subdivided on the basis of
a. the appearance of different radioactive isotopes in different strata. b. levels of background extinction. c. periods of mass extinction. d. the appearance of different radioactive isotopes in different strata and levels of background extinction. e. the appearance of different radioactive isotopes in different strata, levels of background extinction, and periods of mass extinction.
Based on the data in the figure, a likely reason for speciation between these two sympatric species of
frogs is:
a. allopolyploidy.
b. mechanical isolation.
c. habitat isolation.
d. temporal isolation.
e. hybrid inviability.