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Exam 3 Question 1 2 out of 2 points The statistical study of populations including sex ratio, age structure, and predicting growth rates is called _________. Question 2 2 out of 2 points In the sigmoid growth curve, the number of individuals at any one time is indicated by what symbol? Question 3 2 out of 2 points The size at which a population stabilizes in a particular place is defined as the __________ for that species. Question 4 2 out of 2 points In the sigmoid growth curve, the carrying capacity of the environment is indicated by what symbol? Question 5 2 out of 2 points Which one of the following expressions from the logistic equation (dN/dt = rN ((K - N)/K) represents the proportion of unused resources remaining for use by the population? Question 6 2 out of 2 points A group of population members all of the same age is called a ________. Question 7 2 out of 2 points The range of a population Question 8 2 out of 2 points Demographic studies include all of the following except what? Question 9 2 out of 2 points Which of the following statements about the graph is true? Question 10 2 out of 2 points What often describes organisms with a Type III life history?
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Question 11 2 out of 2 points Populations have three basic types of dispersion patterns—clumped, random, and uniform. What situation supports random distributions? Question 12 0 out of 2 points Which is an example of a species with K-selected adaptations? Question 13 12 out of 12 points Edge effects are the result of which of the following? Question 14 12 out of 12 points A small island has stable populations of plants and animals, including one species of hawk but no other large predators. A ship docks at the island, and the ship's cat escapes. If the cat was pregnant, what do you think the sailors are likely to find if they return ten years later?
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