The green sea turtle is an endangered species. The graph below shows the estimated number of green sea turtle nests on a beach in Costa Rica between 1970 and 2003.​​​Based on the information in the graph, which of the following is the most likely way humans affected the green sea turtle population during this time?AHumans passed laws preventing the collection of green sea turtles.BHumans collected more green sea turtle eggs for scientists to studyCHumans passed laws protecting animals that eat green sea turtle eggs.DHumans built more hotels on the beach where green sea turtles build nests.

According to the Article, why have some sea turtle nests been destroyed?

A recent decline in the population of loggerhead turtles off the coast of Argentina made researchers curious. They hypothesized that this decline led to a decline in the overall algae and marine plant life in the region. Loggerhead turtles are not known to eat algae or marine plants, but they do consume conchs and crabs whose diet primarily consists of marine plant life and algae. Which finding, if true, would most directly support the researcher’s hypothesis? Overall decreases in the traditional food sources of the loggerhead turtle other than conchs could account for the decrease in the loggerhead turtle’s numbers. eliminateConchs and crabs have increased in population in the region while the population of loggerhead turtles has declined. eliminateConchs and crabs have been consuming too much of the region’s algae and marine plant population prior to the decline in loggerhead turtle population. eliminateThe overall population of algae and marine plants tends to be larger in regions where there are more loggerhead turtles and crabs. eliminate

Small-scale fishing performed with nets is one of the most common fishing methods used around the world. One of the unfortunate side effects of this method is that sea turtles, which are considered threatened, get caught in the nets along with the fish. Conservation biologists at the University of Exeter in England recently devised a way to prevent these sea turtle deaths, which they tested at a fishery in northern Peru. They found that attaching green LED lights to the nets warned the turtles away, possibly because the lights made the nets more visible. The number of sea turtle deaths was reduced, but the number of fish caught seemed to remain the same.What is the main, or central, idea of the passage?

Why did the Kemp’s ridley almost go extinct in the mid 1980’s?Group of answer choicesThe primary nesting beach was destroyed by a hurricane.Large numbers of nests were harvested on the primary nesting beach and there was high mortality of adults due to Gulf of Mexico fisheries.Global climate change impacted the successful hatching of eggs.A disease impacted the population.

Select the correct answer.A population of sea turtles decreases by 25% per year. The population size is currently 1,024. Which expression calculates the population x years from now? A. 1.25⁢(1,024)𝑥 B. 0.25⁢(1,024)𝑥 C. 1,024⁢(0.75)𝑥 D. 1,024⁢(0.25)𝑥