12 Questions
What is the term used to describe the number of individuals in a population per unit of mass and volume?
Population density
Which type of density considers the density per unit of habitable space in a certain location?
Specific density
What is the measure of the absolute number of individuals in a population known as?
Abundance
Which rate is calculated by dividing the number of deaths in a year by the population at that time, then multiplying by 1000?
Mortality rate
What does the term 'potential fertility' refer to?
The maximum number of births a person can achieve
In the context of demography, what does 'population growth' refer to?
The addition of individuals to a population over time
What are the three main population groups based on age?
Pre-reproduction, Reproduction, Post-reproduction
What are the two main types of population growth curves described in the text?
Sigmoid (S-curve) and J-shaped
What is the definition of ecology according to the text?
The study of the relationships between living organisms and their environment
What is the main difference between eukaryotic and prokaryotic cells according to the text?
Eukaryotic cells have a distinct nucleus, while prokaryotic cells do not.
What are the five main factors that can cause population changes according to the text?
Density, density-independent factors, birth rate, mortality rate, migration
What is the definition of fecundity rate according to the text?
The number of offspring an individual can produce over its lifetime
Test your knowledge of population characteristics, demography, population density, and methods of determining population size. Explore the concepts of abundance and the two types of densities - crude density and specific density.
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