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Questions and Answers
What is population density?
What is population density?
- The number of individuals per unit area or volume (correct)
- The average age of individuals in a population
- The rate at which a population grows
- The total number of individuals in a population
What is demography?
What is demography?
- The study of genetic diversity in a population
- The study of environmental factors affecting population growth
- The study of individual behavior within a population
- The study of population processes and characteristics (correct)
What are the components involved in constructing a life table?
What are the components involved in constructing a life table?
- Age-specific mortality rates and survivorship (correct)
- Reproductive rates and genetic diversity
- Population density and carrying capacity
- Environmental conditions and habitat availability
What influences the intrinsic rate of increase in a population?
What influences the intrinsic rate of increase in a population?
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What does population dynamics refer to?
What does population dynamics refer to?
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Study Notes
Population Studies
- Population Density: The number of individuals per unit area or volume, often expressed as people per square kilometer or organisms per square meter.
Demography
- Demography: The study of human populations, including their size, structure, and distribution, as well as factors that affect them, such as fertility, mortality, and migration.
Life Tables
- Components of a Life Table: A statistical tool used to analyze mortality rates, comprising:
- Cohort life table: follows a single cohort (group of individuals) over time.
- Period life table: based on mortality rates for a specific period.
- Stationary life table: assumes a stable population.
Population Growth
- Intrinsic Rate of Increase: The rate at which a population grows or declines due to factors like birth and death rates.
- Influenced by:
- Fecundity (reproductive rate)
- Mortality rate
- Migration
- Influenced by:
Population Dynamics
- Population Dynamics: The study of changes in population size, structure, and distribution over time, considering factors like reproduction, mortality, migration, and environmental pressures.
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