Many years ago, trappers for the hudson's bay company who were trading the fur of both the snowshoe hare and lynx, noticed a definite pattern of survival. some years there was an abundance of hares and other years they seemed to disappear. when biologists analyzed records kept from 1820 to 1935, they discovered relationships between populations of lynx and hare. describe one relationship seen in the data. a) as one population increased, so did the other. b) the lynx population has gradually declined over the years. c) the higher the hare population, the higher the lynx population. d) when the lynx population was low, the hare population increased.