Statistics about the climate in a tundra ecosystem were collected for 30 years. which hypothesis about a population of caribou could be made based on the climate data collected? a. caribou calf survival is directly related to annual rainfall amounts. b. an outbreak of disease in 1984 killed 35% of the caribou population. c. caribou remain with the same mate throughout their lifetime. d. mortality of caribou from hunters was less than 5%

The correct answer is option A, that is, Caribou calf survival is directly associated with annual rainfall amounts.

A hypothesis refers to the suggested explanation or a supposition developed on the basis of limited proof as an initiating point for further study.  

A hypothesis refers to an expectation of what one is going to investigate. Thus options B and D are not applicable, also C has nothing to do with climate. Thus, the correct answer will be option A.  

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