Below are the life history characteristics for three species of ocean dwelling organisms. Match which species should have which type of survivorship curve. Life History Characteristics Species # of offspring investment per offspring A intermediate moderate few high C many low
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- Organismsthat produce many offspring would best be characterized by which of thefollowing?a.A convex survivorship curveb.A concave survivorship curvec.A linear survivorship curved.A sigmoidal survivorship curvee.None of the choices applyWhich of the following is best at showing the life expectancy of an individual within a population? a. quadrat b. mark and recapture c. survivorship curve d. life tableFor each organism, create a survivorship curve by plotting the given information in a line graph. Title each graph "Survivorship Curve for [name of organism]." The y-axis should be labeled "Survivorship" and contain low, medium, and high indicators. The x-axis should be labeled "Life Span" and contain young, middle-aged, and old indicators. Andean condors reproduce slowly. Females lay one or two eggs every other year. The offspring that hatch are well-protected and cared for, and many reach sexual maturity at five to six years. Although their numbers are being threatened by human impacts, they are naturally long-lived, surviving for seventy to seventy-five years.
- What 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.Discuss the types of survivorship curves, explaining the life history features found in organisms possessing different types of curves. Give at least 1 example of each.For the unicorn shrimp population shown in the cohort life table below, what type of survivorship curve best describes this population? A. Type I B. Type II C. Type III D. Geometric E. Logistic
- When there are no limits to population growth, rmax represents which of the following? maximum reproductive rate maximum per capita reproduction rate maximum per capita growth rate none of the options are correct maximum life history rate Which of the following traits would not be considered a life history trait? age at maturity how often they reproduce size of their horns size of offspring none of the options are correctIn the short term what willhappen to the levels aboveand below a population ofsecondary consumers of anumeric pyramid if a largenumber of individuals fromthis population dies?Table 1: Age-specific survival rates (p) of a small mammal population found in the Cape Flats NatureReserve during March 2019. Age(Yrs) P 0 0.9 1 0.9 2 0.85 3 0.6 4 0.4 5 0.21 6 0 Question: calculate the proportion of the original cohort that has died by year 4.
- List five characteristics of organisms that show a convex survivorship curveTo create a survivorship curve for the Andean condor: Graph Title: Survivorship Curve for Andean Condor Y-axis: Labeled "Survivorship" with indicators for "Low," "Medium," and "High" levels, ranging from 0 to 100% of the total initial cohort size. X-axis: Labeled "Life Span" with stages "Young" (0-5 years), "Middle-aged" (6-37 years), and "Old" (38-75 years). Key Features of the Curve: Begins high, reflecting near-total survival from birth to maturity due to low mortality and protected upbringing. remains flat and high through the middle age, indicating sustained low mortality. shows a steep decline in old age, representing increased mortality as individuals reach the latter part of their lifespan.If each adult female powerful owl produces 1 female juvenile (F) each year, the adult survival rate (Sa) is 0.8, the juvenile survival rate (Sj) is 0.4, and the population is N2022=1400 adult females and 1400 juvenile females in 2022, what will be the female population size in 2027 (N2027)? Show your calculations. (hint: use excel to set up a model and check your work)