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General Ecology -Worksheet I 1. An alligator living in the Everglades must consume its body weight in prey every 2-3 months, while a shrew in the...

General Ecology questions

General Ecology -Worksheet I 1. An alligator living in the Everglades must consume its body weight in prey every 2-3 months, while a shrew in the same area must eat its body weight each day. Briefly explain why. (5 pts) 1. Population growth (10 pts) A) On the following diagram draw an exponential growth curve and a sigmoidal growth curve. B) On the sigmoidal growth curve, label the area of density independent growth, density dependent growth, carrying capacity
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2. Fecundity (10 pts) A) What does this figure of the grizzly bear ( Ursus arctos ) show? B) Discuss potential explanations for the trend shown. 3. This figure shows the population of the reindeer herd introduced to St. Paul Island in the Pribilof Islands of Alaska in 1910. The initial population consisted of 4 males and 22 females. (15 pts) A) Describe the population trends shown B) Suggest 3 potential explanations for the decline in the 1940’s . 4. Survivorship curves (15 pts) A) Draw the three hypothetical idealized survivorship curves. B) Be sure to label your X and Y axis. C) Provide at least one example of an organism for each type of curve. 2
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General Ecology -Worksheet I
1. An alligator living in the Everglades must consume its body weight in prey every 2-3
months, while a shrew in the same area must eat its body weight each day....

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