In Florida, humans have caused more than 2000 manatee deaths since 1974. Collisions with boats and boat propellers cause roughly twenty-five percent of all manatee deaths. Another significant cause of the declining population is the disappearance of manatee habitats, resulting primarily from coastal development, water quality problems, and the change in water levels caused by Florida’s flood control systems. A constitutional amendment has been proposed that would protect natural systems and biological diversity. Which would be the MOST likely requirement of a constitutional amendment to protect the manatee population?

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.