Instruction: Please check the answer under each item that best reflects your thinking. 1. Which of the following is/ are jet properties of the population? I. Abundance II. Birth rates III. Death rates IV. Growth rates V. Age structure a. I b. I, II c. I, II, III d. I, II, III, IV 2. It is referred to as the number of births per 1000 individuals per year. a. Crude death rate c. Crude birth rate b. Life expectancy d. Fertility rate 3. This refers to the capacity to become pregnant or to have children. a. Age-specific birth rate c. Fertility b. Total fertility d. Sex ratio 4. It describes the occurrence of diseases and illnesses in a population. a. Prevalence c. Morbidity b. Incidence d. Fatality

5. It refers to the average number of years a newborn infant can expect to live births. a. Birth rate expectancy c. Doubling time b. Rate of natural increase d. Cause-specific death rate

6. It is the number of years it takes for a population to double, assuming a constant rate of natural increase. a. Doubling time c. Case fatality rate b. Prevalence d. Life expectancy 7. It refers to the three-stage pattern of change in birth rates and death rates that has occurred during the process of industrial and economic development. a. Demographic transition c. Growth rate b. Sex ratio pattern d. Logistic curve rate 8. The average number of years n individuals can expect to live given the individual's present age. a. Life longevity c. Life expectation of living b. Life expectancy d. Life transition 9. A type of symbiosis in which one member clearly benefits and the other is neither benefited r harmed. a. Competition c. Predation b. Parasitism d. Commensalism 10. It is a type of antagonistic relationship within the biological community. a. Competition c. Predation b. Parasitism d. Commensalism