Climate change tipping points are thresholds beyond which natural processes could become self-sustaining for 5–10 years. True False

Exit Interactivity: Human Impact on Ecosystems Due 02/08/21 11:59 Human Impact on Ecosystems Over-harvesting / Overfishing U.S. Atlantic Cod Harvest (1970–2016) 55 50 45 Fishing catches have had to increase to feed the 40 35 growing human population. However, overfishing has caused the collapse, or sudden decrease, of multiple fisheries including the cod population off the shores of Newfoundland. The cod population has yet 30 25 20 15 10 5 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 Year Data Source: Office of Science and Technology, National Marine Fisheries Service, National Oceanic and Atmospheric Administration to recover. 2. Based on the graph, in what year did the cod population begin to collapse? 4 of Thousands of metric tons of cod

Match the following succession terms to the correct description. primary succession [Choose ] secondary [Choose ] succession pioneer species [Choose ] severe disturbances [Choose] ◆ ◆

With reference to Fig. 5.1 discuss the factors which lead to people living under severe waterstress.