Based on this figure of a sensitivity analysis: growth rate (X) 2 1- 0 Response to 10% increase in vital rates adult current juvenile adult population survival survival reproduction Would a 10% increase in adult reproduction save the population from a decline?
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- Examine the characteristics of logistic growth by completing each statement. Not all choices will be used. *1 S exponential four competition follicular lag two J stable equilibrium Logistic growth results in a(n) curve when graphed. This growth curve exhibits time. The phase exhibits a slow growth rate due to the small number of individuals within the population early on. Exponential growth slows as increases during the deceleration phase. As the population size grows, the growth rate will accelerate due to biotic potential during what is called the growth phase. -shaped growth distinct phases over Finally, the carrying capacity is reached during the < Prey n for resources phase where birth and death rates are equalWhat are the two key concepts for this section? Listthree variables that affect the growth and decline ofhuman populations. How can we calculate the population change of an area? Define the total fertilityrate (TFR). How has the global TFR changed since1955? Summarize the story of population growth inthe United States. List six changes in lifestyles thathave taken place in the United States during the 20thcentury, leading to a rise in per capita resource use.Context 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 1
- 1as In detail, explain what this Analyze & Explain the line represents. graph Growth rate decreasing Growth rate increasing Time 1-Analize and explain the graph. |2-In detail, explain what the red line represents. Number of IndividualsThe following equation is used to calculate the population growth rate, Ro, per generation from a life table. Iy is survival probability from birth to age x and my is fecundity at age x. Ro = Elkm Multiplying ly and my and summing it over all age categories in the life table gives the population growth rate per generation because: Calculating the reproductive output for each age class requires considering the survival probability to that age (a dead individual does not reproduce) and the fecundity at that age by multiplying them with each other. Summing over reproductive output for all age classes gives the total per capita growth rate of the population The fecundity at each age is lower when the survival is higher because of energy constraints. Multiplying probability of survival and fecundity in each age class takes this trade-off into account. Summing over reproductive output for all age classes gives the total per capita growth rate of the population The resulting type of growth…inate S_Q1_Science_Biology_2022-2023 Question 1 200 TIDO D D BO 70 60 550 40 30 20 10 OF 0 5 X me graph shows the growth of the P caudatum population when it is grown separately. P. caudatum Alone 250 200 150 5 V 10 Time (days) Q Zoom 10 Time (days) 15 15 The graph shows the growth of the P. aurelia and P. caudatum populations when they are grown together. Both Species Grown Together 20 2022 Illuminate Education TM, Inc. Question 1 Which statement is supported by the graphs? A A B C D Accessibility Tools Signed in as: Zavion Ma Q Review/✔ Finish T ABG P. caudatumrand P. aurelia competed equally for resources. P. aurelia and P. caudatum did not compete for resources. P. aurelia was better able to compete for resources than P. caudatum P. caudatum was better able to compete for resources than P. aurelia Z
- Match each organism to the most likely life strategy and growth type Organism Life Strategy K-Selected or r-Selected Growth Pattern Logistic or exponential Beavers are monogamous mammals that breed annually and produce a litter of about one to four kits. Kits remain in the care of the colony until two to three years of age. Century plants are flowering plants native to Mexico. Century plants live 10-30 years and flower only once in their lifetime and perish shortly after. THeir giant flowering stalks can reach up to 9m long but they reproduce primarily via suckers. Honeybees live in colonies as large as 50,000 bees. Only the queen lays eggs and lays up to 2,000 per day. The house mouse is a polygamous mammal with the gestation period of about 20 days and a litter size of up to 14. Mice nurse their young until about 20 days.Which of the following questions is most appropriate to an investigation at the population level? 8888 What is the relationship between resource availability and birthrate? What is the effect of diminished resources on an individual's life span? How long does it take for carbon to be cycled from the atmosphere into living tissue? What factors influence the distribution of tropical forests?If a population growing exponentially double in size in 3 years,what is the intrinsic rate of increase® of the population?
- Part A: A population of 100 Asian elephants exhibits logistic growth. If the carrying capacity is 500 elephants and theper capita growth rate is 0.1 individuals/(individuals × year), what is the maximum population growth rate forthe population? part b: Based on the above question, what is the maximum population growth rate for the population if we assumedthe elephants were undergoing exponential growth?During a one-year period, a population of rabbits has a birth rate of 0.8 and a death rate of 0.1. The rabbit population consists of 50 organisms (at the beginning of the year). Which of the following is true about the rabbit population during this one-1 year period? O The rabbit population would increased by 35 rabbits during this year. O The rabbit population would decrease by 35 rabbits during this year O There would be a total of 500 rabbits at the end of the year 500 rabbits were born during the year.Deer Population on an Island 120 100 96 80 78 60 6아 40 36 20 TO 1 2 3 4 5 6 7 8 9 10 11 12 Number of Months Dear population 1-During which months was the growth of the deer population exponential? | 2-Give one possible reason why the population decreased after 5 months 3-What is the approximate carrying capacity of the island? 4-Explain "carrying capacity" 5-What type of density independent factors may cause the population to decrease (name 2)? 6-What type of density dependent factors may cause the population to decrease (name 2)? 7-Overall, do deer populations seem to exhibit exponential or logistic growth? Explain why Number of Deer