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The following pattern of mortality was observed in a fictitious mammal. Of the newborn females, half survived for 1 year, 10% survived for 2 years, 3.75% survived for 3 years, 1.5% survived for 4 years, and none survived for 5 years. Breeding occurred once a year, and mmediately following the breeding season the age-specific reproductive rates were determined from the fresh placental scars of females of known age. One-year-old females had an average of 2.8 placental scars per female, 2-year-old females had an average of 4.0 placental scars per female, and older females had an average of 4.8 placental scars per female. There was a 50:50 sex ratio at birth. A. Calculate the values of rc and rm for this population. B. Determine the transition or Leslie matrix for this population. C. Suppose a population with an excess of males was started with ten 1-year-old females and 20 2-year-old females just prior to breeding. Calculate the number of females in each age class over the next 3 years.

The following pattern of mortality was observed in a fictitious mammal. Of the newborn females, half survived for 1 year, 10% survived for 2 years, 3.75% survived for 3 years, 1.5% survived for 4 years, and none survived for 5 years. Breeding occurred once a year, and mmediately following the breeding season the age-specific reproductive rates were determined from the fresh placental scars of females of known age. One-year-old females had an average of 2.8 placental scars per female, 2-year-old females had an average of 4.0 placental scars per female, and older females had an average of 4.8 placental scars per female. There was a 50:50 sex ratio at birth. A. Calculate the values of rc and rm for this population. B. Determine the transition or Leslie matrix for this population. C. Suppose a population with an excess of males was started with ten 1-year-old females and 20 2-year-old females just prior to breeding. Calculate the number of females in each age class over the next 3 years.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The following pattern of mortality was observed in a fictitious mammal. Of the newborn females, half survived for 1 year, 10% survived for 2 years, 3.75% survived for 3 years, 1.5% survived for 4 years, and none survived for 5 years. Breeding occurred once a year, and immediately following the breeding season the age-specific reproductive rates were determined from the fresh placental scars of females of known age. One-year-old females had an average of 2.8 placental scars per female, 2-year-old females had an average of 4.0 placental scars per female, and older females had an average of 4.8 placental scars per female. There was a 50:50 sex ratio at birth. A. Calculate the values of re and rm for this population. B. Determine the transition or Leslie matrix for this population. C. Suppose a population with an excess of males was started with ten 1-year-old females and 20 2-year-old females just prior to breeding. Calculate the number of females in each age class over the next 3 years.
Transcribed Image Text:The following pattern of mortality was observed in a fictitious mammal. Of the newborn females, half survived for 1 year, 10% survived for 2 years, 3.75% survived for 3 years, 1.5% survived for 4 years, and none survived for 5 years. Breeding occurred once a year, and immediately following the breeding season the age-specific reproductive rates were determined from the fresh placental scars of females of known age. One-year-old females had an average of 2.8 placental scars per female, 2-year-old females had an average of 4.0 placental scars per female, and older females had an average of 4.8 placental scars per female. There was a 50:50 sex ratio at birth. A. Calculate the values of re and rm for this population. B. Determine the transition or Leslie matrix for this population. C. Suppose a population with an excess of males was started with ten 1-year-old females and 20 2-year-old females just prior to breeding. Calculate the number of females in each age class over the next 3 years.
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