December 1, 2009 Welcome Back New Seats?? Ecology Review and More Practice

Rodents Rattlesnake s Birds The City of Snakenomore, Oklahoma decided to destroy the rattlesnake population on open space near town in June of 2000

Questions for the 1 st Slide 1. What would an appropriate title be for this graph? 2. Which answer best describes the trend in the data after the rattlesnakes were destroyed? The population of birds and rodents stayed about the same The population of birds and rodents stayed about the same The rodent population slowly declined while the birds increased The rodent population slowly declined while the birds increased The rodent population quickly increased and the bird population declined The rodent population quickly increased and the bird population declined None of these are accurate None of these are accurate 3. Based on this data, one could suggest that the main food source for rattlesnakes were _______. 4.Based on this graph, a typical food chain in this environment is: 5. The bird population in this region most likely went down because

1.Predict what will happen to each population if a small population of rattlesnakes were introduced to this habitat in Draw the population lines on the graph, and then EXPLAIN your reasoning.

Food Web Design Groups of 1,2 or 3 Groups of 1,2 or 3 Use paper of choice Use paper of choice Suggest making a rough sketch first Suggest making a rough sketch first Goal is understanding not beautiful creation with the time we have to work on this Goal is understanding not beautiful creation with the time we have to work on this

Ticket out the Door Name and Period on Post it note Name and Period on Post it note List 1-3 things you learned, clarified, understood from today List 1-3 things you learned, clarified, understood from today List one question you still want to know more about List one question you still want to know more about