level of a hormone on a field mouse s readiness for mating
temperature of a region on a bear s hibernation
salt level of a river on a fish s migration
humidity of an area on a cat s shedding of its fur
proximity of an owl on a lizard s searching for food
18. Which of the following statements best describes the conclusion drawn by Brown
A change in tide schedule is the primary influence on an oyster s rhythms.
A change in tide schedule may be an important exogenous influence on an oyster s rhythms.
Exogenous influences, such as a change in tide schedule, seldom affect an oyster s rhythms.
Endogenous influences have no effect on an oyster s rhythms.
Endogenous influences are the only influences on an oyster s rhythms.
19. The passage suggests that Brown s study was similar to Hamner s in which of the following ways?
I. Both experimenters discovered that a new environment had a significant effect on an organism s behavior rhythms.
II. Both experimenters observed an organism s behavioral rhythms after the organism had been transported to a new environment.
III. Both experimenters knew an organism s rhythmic patterns in its original environment.
I only
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