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Population demography and dynamics
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Population demography and dynamics

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  • 1. Name: Date: Course & Year: Direction: Write the correct answer before each number. A. Identification ____________1.It is the study of how the population changes from time to time. a. Dynamics b. Demography c. Population ecology ____________2. What are the four factors affecting population demography? a. Fertility, mortality, immigration, emigration b. Fertility, birth rate, immigration, death rate c. Death rate, mortality, immigration, emmigration ____________3.The shorter the ______ the higher the population growth rate. a. Sex ratio b. generation time c. graph ____________4. It is a type of a life table which is commonly used for organisms that are difficult toclassify by age and the ecological role defend more on their size or stage of development. a. Cohort life table b. Static life table c. Size and stage based life table ____________5. It is a curve used to demonstrate the survivorship of the organisms in a certain population. a. Logarithmic curve b. arithmetic curve c. survivorship curve ____________6. A population with a large number of young individuals tends Grow _______ . a. slowly b. rapidly c. constant ____________7. What is the most commonly effect to a population with a large ratio of female individuals?
  • 2. a. Increase in growth rate b. b. decrease in growth rate c. c. have stable growth ____________8.It gives us the probability of an individual that already survived to age x will survived to age x+1? a. Age structure b. Age specific survivorship c. Standardized Survival Schedule ____________9.The sudden change in demography and structure of a population. a. Population Dynamics b. increase in growth rate c. Population demography ____________10.What is the possible effect of the increase in generation time together with theincrease in number of males in a population? a. Increase in mortality rate b. Increase in growth rate c. Decrease in mortality rate
  • 3. B. Solving 11-20. Show your solutions. Find Standardized Survival Schedule, Age-Specific Survivorship, and Life Expectancy. Age (year/s) Number of living individuals 0 300 1 267 2 222 3 197 4 156 5 130 6 95 7 50 8 25 Formulas: