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11. Is yeast an r-selected or K-selected species? Based on the type of selection for yeast, list four factors they exhibit. (5 points)

8. A Conservation Biologist with the Arizona Game & Fish Department has been tasked with estimating the population size of elk in the Kaibab National Forest. Given the information presented in Lab 12, what method might she use to determine approximately how many elk are present? What might be a possible disadvantage to using this method to estimate animal population sizes? (5 points)

7. A 5 km x 5 km plot has a weed count of 250 weeds. What would the population density be? What would the population density be for the exact same plot six months later with a count of 200 weeds? Show your work. (5 points)

6. What are five specific examples of limiting factors that could control the population density of a weed population? (5 points)

~~5. Refer to the diagram below of two plots that are 2 m x 2 m samples from two different 1000 square meter fields (Field 1 and Field 2) to answer the following questions: 

~~4. In a forest that measures 5 km by 5 km, a sample was taken to count the number of silver maple trees. The number of trees counted in the grid is shown below. The grids where the survey was taken were chosen randomly. Determine how many silver maple trees are in this forest using the random sampling technique. Show your work.  (5 points)

~~3.

a. When using the random sampling estimation technique, which type of dispersion is most effectively estimated?  In other words, which population distribution pattern will yield the most accurate population size estimate when the random sampling procedure is followed? (2 points)

~~2.       Briefly explain why biologists use sampling, rather than individually counting all members of the population of interest. (5 points)

a.     Using random sampling technique, select 3 grid segments for a sample taken from the plot above. List the 3 grid segments you selected. (1 point) 

1.      (Application) How might the information gained from this lab pertaining to taxonomy be useful to you, or how can you apply this knowledge to your everyday life as a non-scientist? The application will be graded according to the rubric below. (20 points)