A population of 2000 nudibranchs on a coral reef experiences 800 births and 750 deaths. What is r (the intrinsic rate of increase) for this population
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A population of 2000 nudibranchs on a coral reef experiences 800 births and 750 deaths. What is r (the intrinsic rate of increase) for this population?
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- At what general size does a fish population have the greatest potential for growth and reproduction?Why might you expect to find a negative correlation between adult body size and population density in fish?You gather a sample of 20 horseshoe crabs, and mark release them. If you return the following week and collect 30 horseshoe crabs and 6 possess marks, how large would you estimate the crab population to be?
- Using the data provided in Table, calculate the number of Physignathus cocincinus in each region, and determine the mean density of lizards in each habitat (A, B and C). Provide a legend to Table 2what is the current population of hawks?According to the article, there are 3,000 brown tree snakes in Guam per square mile (mi2 ). The average high school in the United States is approximately 121,000 square feet or 0.004 square miles (mi2 ). According to these numbers, how many brown tree snakes would be found in an area the size of a typical U.S. high school?
- Is the Milkfish Population r-strategist or K-strategist?What were the densities of nauplii, rotifers, and zebra mussels in1991? In 2000? In 2008? What pattern do you see in these data?What is the pattern of distribution of koi fishes (Cyprinus rubrofuscus)? What are the limiting factors of their population?
- Using the data shown in Table 1, Provide two explanations as to why the densities of the beetles may be different in each habitat in no more than 100 words.Provide two explanations as to why the densities of the beetles may be different in each habitat in no more than 100 words.How does temperature of sand affect the population of sea turtles? Discuss.