Why was certain species' density more accurately estimated, and why may some have approached the actual density sooner than others (with a smaller sample size)?
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Why was certain species' density more accurately estimated, and why may some have approached the actual density sooner than others (with a smaller
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- Discuss possible reasons why the density of certain species were more accurately estimated and why some may have approached the actual density sooner than others with a smaller sample size.State three possible reasons why species would have “clumped distribution” within their populations? Write two sentences for each reason.Which areas or countries in South America have sparse populations? Why?
- State two possible reasons why species may have a regular (uniform) distribution? Write 2 sentences for each reason.Species: fox squirrel Question: What sampling method would you use to estimate N and why?Use the graphs to answer the question below. In each of the figures, the x-axis represents time, and the y-axis repre of Species 2. A. B. C. D. The populations representeg by the solid and dashed lines in Graph B above are two plant species that live toge allelopathic chemical? O The population represented by the solid line in Graph B. The population represented by the dashed line in Graph B.
- When we measure species density. If you apply random sampling and systematic sampling to a site setting, what problems may we encounter? Why is there an error compared with the actual density of species?from the data, which species showed the highest contribution or is the most dominant? why and how did you know?Give typing answer with explanation and conclusion Scientists are trying to estimate the size of a bird species whose local population is 325. Since they cannot see all 325 at once, they will estimate it using mark-recapture methods. They initially capture 64 individuals, mark them, and release them. They then recapture 50. What is the most likely number of MARKED birds in their recapture sample? (You may need to round up or down for the correct answer.) Multiple Choice -50 -1 -10 -5 -0 -253
- Does this figure illustrate a strength or a drawback of using morphological traits to establish species?A subpopulation of a species of birds migrates to a different location from the rest of the species for breeding purposes. How might the genes change in the subpopulation? A. Their genes would change randomly and eventually revert to normalcy, which would allow the subpopulation to return to the main population. B. Their genes would change to better allow them to survive and reproduce in their new location. C. Their genes would not change at all and they would merely be a subpopulation living in a different location. D. Their genes would change so that they would continue to be well-adapted to their former location.Using grey squirrels as an example, describe a population that would be of interest to a researcher. How would your approach to squirrels differ if you were going to measure tail length on a sample vs doing a census? Using white tailed deer as an example, describe a population that would be of interest to a researcher in Central Illinois. What variable might be of interest?