Environmental Science Exam 1 Student\'s Name 28. It is much more difficult to sa
ID: 271474 • Letter: E
Question
Environmental Science Exam 1 Student's Name 28. It is much more difficult to sample a population of black bears than a population Student Number of Japanese beetles. Tracks left by animals, particularly large animals such as bear, can help researchers learn about physical characteristics such as the size and age of the population in a particular area. One group of researchers has estimated the following relationship between the width of the front foot pad and the weight of a bear: width o fromt foos pad wcight of bear 70kg 12.7 kg 5 cm 6 cm 7 cm 8 cm 9 cm 10 cm 11 cm 12 cm 325 kg 47.6kg 67.1kg 915kg 1214 kg Use the metric ruler on page 9 of your guide (or your own metric ruler) to measure the illustration of a bear track below (measure at the greatest width of the pad) and then answer the following questions. A. How many centimeters wide is the track at its greatest width? B. Based on your measurement and the table provided above, what would be the estimated weight of the bear that made the track? 39Explanation / Answer
A) It is not possible to measure it from screen. Nevertheless, by zooming it seems to be about 5 cm.
B) From the table it shows 7 kg would be the estimated weight.
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