Situation 2: The population of bullfrogs is growing out of control near a small pond. Its main predator, a snake specles, was killed off by disease. Without this natural predator, the bulifrogs can thrive in and around the pond. The growing frog population is having a negative impact on the quality of the environment and other species living in the area. 17. What is the problem near the small pond? a. Bullifrog population is too small b. Bullfrog population is too large E. Snake population is too large d. Snake population is killing the bulltrogs 18. What has caused the problem? a. Natural Disaster wiped out the snake population b. Humans began hunting the snakes c. A disease killed all the snakes d. Snakes went to a different ecosystem