The chart above shows the lowest pH level at which four different types of organisms can survive. These organisms live in Lake Bluewater. Lake Bluewater typically has a pH of 7.2. Acid rain has caused the pH level of this lake to drop significantly within the past few months. Which organisms will most likely die if the pH level of Lake Bluewater decreases to 5.5?

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species