Understanding Graphs
Graph 1: Rabbits Over Time a. The graph shows a __________ growth curve. 

Graph 2: Average Toe Length a. In 1800, about how many people surveyed had a 3 cm toe? _______ 

Graph 3: Mexico and US a. In Mexico, what percentage of the population is between 04 years of age? _______ In the US? ______


Chart 4: Trapping Geese In order to estimate the population of geese in Northern Wisconsin, ecologists marked 10 geese and then released them back into the population. Over a 6 year period, geese were trapped and their numbers recorded. a. Use the formula to calculate the estimated number of geese in the area studied? _____________



Chart 5: Mushroom Plots Another ecologist uses a different method to estimate the number of mushrooms in a forest. She plots a 10×10 area and randomly chooses 5 spots, where she counts the number of mushrooms in the plots and records them on the grid. a. Calculate the number of mushrooms in the forest based on the grid data: _________________ 

Chart 6: Snakes & Mice The data shows populations of snake and mice found in an experimental field. a. During which year was the mouse population at zero population growth? ______ 
