When you see your grade, you will have to review the assignment you sent in to see where your answers fit and did not fit the questions. After you have reviewed your work, you may wish to e-mail the professor. There are many resources on the web that are relevant to ecology. The web gives quick access to these resources without going to the library or buying another book. There are graphics, figures, graphs, and animations that illustrate text.
Some images come from satellites, others from microscope slides.
As soon as a new site is put on the web, it is available to the class. Search engines can find almost anything, but you have to ask the right question and filter the results to find relevant web sites. You develop this skill with practice. Plan how and when you will complete the assignment so that you meet the deadline. You can work in the day, in the evening, in the middle of the night, and on weekends and holidays as long as you submit the assignments by the deadline.