Calculate standardised survival (lx), % mortality, and age-specific survival (px) and mortality (qx) rates for Ovis dalli and Quercus robur by filling in Table 1 show calculations
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Calculate standardised survival (lx), % mortality, and age-specific survival (px) and mortality (qx) rates for Ovis dalli and Quercus robur by filling in Table 1
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- The following figure represents 10 new cases of illness over about 15 months in a population of 30 persons. What is the incidence rate for the period between April 1 and Sept 30? Person # 1 2 3 7 8 9 10 ➡ ←P Oct. 1, 2004 18 per 100 25 per 100 3.6 per 100 01 per 100 Date of onset of illness +Date of death Date of recovery Apr. 1, 2005 Sept. 30, 2005Context Calculating mortality in a very small population: ⚫ 896 people in a population at mid-year • 27 deaths in the population in that year • 247 cases of diabetes in the population • 10 deaths from cancer, 8 deaths from heart disease, 5 deaths from diabetes, 2 deaths from car accidents, 2 deaths from other injuries. ⚫ Of the 896 people in the population, 234 were college students, and there were 2 deaths in that sub-population. Assignment Referring to the data above, please answer the following questions. Answers should be expressed per 1000 people, except for proportionate mortality and case-fatality, which should be expressed as a percent. Round your answers to nearest whole number. D Question 1 important information. A 1 APR 11 O pts Ը 1Explain the difference and give an example of Type 1, 2, and 3 Survivorship curves
- Which type of mutualism (obligate or facultative) was described by the authors in this study? In less than one paragraph, explain specifically why you think it is that particular type of mutualism. Article Reference for question https://www.mdpi.com/2223-7747/10/4/760 I wasn't sure how else to attach the article as referenceO 10,074 individuala/year Newcela O 74 individuals/year AP Blology Perlods 1 and 2 Grading periods Highschool MP1, Highschool MP2, Highschool MP3, Highschool MP4 The bluestreak cleaner wrasse is a fish that inhabits coral reefs. These fish eat parasites off of larger fish. The larger fish benefit from increased health. In return, the wrasse receive nutrition and protection from the larger fish. What type of interaction is this? Location 01 eeting days Mon Tue Wed Thu Fri O Mutualism O Parasitism O Commensalism O Predation The human sleep-wake cycle is regulated by melatonin. The synthesis of melatonin is regulated by light exposure (Figure The human body typically develops a sleep-wake rhythm that does not respond quickly to change. Long- term exposure to extended periods of bright light after sunset is most likely to affect a person in which of the following ways?The data below represent a cohort of organism “X”, tracked from birth to death. Time period* Number alive at start of period Proportion surviving at start of time interval Deaths during period Rate of mortality during time period "0-1" 432 1.00 390 0.90 "1-2" 42 0.10 29 0.69 "2-3" 13 "3-4" 11 "4-5" 10 "5-6" 9 "6-7" 7 "7-8" 3 "8-9" 0 * Numbers are reported over eight equal sized time periods – these could represent days, weeks, months or years. a) Complete the table by recording survivorship (proportion alive at the start of the time period), the number of deaths and the mortality rate for each time period. For each column you need to ensure you indicate how you performed your calculation (e.g. show one example calculation or provide a formula). b) Plot a survivorship curve for species X using semi-log graph paper. A template sheet has been uploaded to the Problem Set 2 folder. Remember…
- The data below represent a cohort of organism “X”, tracked from birth to death. Time period* Number alive at start of period Proportion surviving at start of time interval Deaths during period Rate of mortality during time period "0-1" 432 1.00 390 0.90 "1-2" 42 0.10 29 0.69 "2-3" 13 "3-4" 11 "4-5" 10 "5-6" 9 "6-7" 7 "7-8" 3 "8-9" 0 * Numbers are reported over eight equal sized time periods – these could represent days, weeks, months or years. 1.Complete the table by recording survivorship (proportion alive at the start of the time period), the number of deaths and the mortality rate for each time period. For each column you need to ensure you indicate how you performed your calculation (e.g. show one example calculation or provide a formula). 2.Plot a survivorship curve for species X using semi-log graph paper.Remember that survivorship is, by convention, plotted as a proportion of…Which of the following mortality rates use the estimated total mid-year population as its denominator? [ O Sex-specific mortality rate O Crude mortality rate O Age-specific mortality rate Cause-specific proportionate mortality rate A new treatment is developed that prevents death but does not produce recovery from disease. Which of the following will occur? O Prevalence will decrease O Incidence will decrease O Incidence will increase Prevalence will increaseb) Figure 7 shows population growth of Proboscis monkeys over time. 2.0E carrying capacity V 1.5- Monkey populations 1.아- 0.5- Time Figure 7 i) State the type of population growth. ii) Proboscis monkeys nomally live in groups in their natural habitat. What is the dispersion pattern for this monkey population? iii) Describe what happens to Proboscis monkey population at V. 12 iv) Give one (1) possible example of density-dependent factor that affects the Proboscis monkey population.
- Thefrequencyofarecessivealleleina populationis50%.Whatisthefrequencyof thedominantallele?Calculating Incidence versus Prevalence The picture represents 10 new cases of illness over about 15 months in a population of 20 persons. Each horizontal line represents one person. The down arrow indicates the date of onset of illness. The solid line represents the duration of illness. The up arrow and the cross represent the date of recovery and date of death, respectively. The picture New: Cases of Illness from October 1, 2004–September 30, 2005 Question: Calculate the period prevalence from October 1, 2004, to September 30, 2005. The numerator of period prevalence includes anyone who was ill any time during the period. In Figure 3.1, the first 10 persons were all ill at some time during the period.The following data is from a prospective cohort study examining the association between air pollution exposure and lung cancer. Calculate the Attributable Risk Percent. Lung Cancer Cases No Lung Cancer Exposed to Air 550 600 1150 Pollution Unexposed to Air 150 700 850 Pollution Total 700 1300 2000 O 63.1% O 302 per 1,000 30.2% O 2.7