Understanding Graphs
Graph 1: Rabbits Over Time
a. The graph shows a __________ growth curve. |
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Graph 2: Average Toe Length
a. In 1800, about how many people surveyed had a 3 cm toe? _______ |
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Graph 3: Mexico and US
a. In Mexico, what percentage of the population is between 0-4 years of age? _______ In the US? ______
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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? _____________
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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? ______ |
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