Research a system that has undergone significant changes in your lifetime. Use online resources to create a timeline showing the major changes that have occurred to the system over time and the reasons for each change. Remember to cite your sources of information. Write a report and create a presentation for class. can someone help and simplify this?

The lake of the ozarks is a human-made lake, so it collects runoff from coal strip-mining, fertilizers, resort wastewaters, and septic drainages. the average lake temperature is between 10∘c and 21∘c. consider the physical requirements for growth and multiplication that would allow fecal coliforms to “blossom” in the lake of the ozarks. which of the following would accurately describe these organisms? check all that apply. psychrophiles facultative halophiles extremophiles mesophiles hyperthermophiles