Question

the graph below shows the number of weasels in a forest ecosystem over a period of three years. which event most likely caused the population change that occurred at 1.5 years? decrease in weasel predators introduction of a new weasel disease increase in weasel nesting sites in the forest

Explanation:

At 1.5 years, the weasel population increases. An increase in nesting - sites would provide more living and breeding areas, leading to population growth. Introduction of a disease would decrease the population. An increase in predators would also lead to a population decrease.

Answer:

Increase in weasel nesting sites in the forest