3 questions marine bio 1. Write what the general trend is for each graph (7pts - 1-2pts/graph) 2. Explain why you think that trend has occurred using the information in the PDF – relate the graphs to each other if necessary. What do you think prompted the changes you see? Back up your ideas with evidence from the graphs and the reading (11 pts - 2-3pt/graph) 3. Based on these graphs, what do you think would happen if shell-building organisms weren’t able to build their shells as effectively? Discuss why this is relevant to think about with regard to the effects of climate change. Explain how this could affect the marine ecosystem AND human economies. (7 pts)