In a hypothetical situation, scientists studying the impacts of climate hypothesize that warmer temperatures in the arctic tundra should cause an increase in the population sizes of insects and herbivores.
They chart changes in the average temperatures for the month of July over a period of fifty years, as well as the annual population sizes of a certain insect species and a certain herbivorous species. Their data is shown in the graph below:
Temperature and Population Size Data for an Area in Alaska
|Time (years)||Mean July Temperatures (degrees C)||Mosquito Population size (millions)||Caribou Population size (thousands)|
Based on the data collected, scientists can logically conclude that warmer temperatures impact which of the following?