18 Questions
What does biological diversity refer to?
The variety of life-forms in an area
What does utilitarian mean in the context of species diversity?
Providing a product of direct value to people
Why is it common to say human populations grow at an exponential rate?
Because of their constant percentage growth rate
What is the carrying capacity referring to?
Maximum population that environmental resources can support
What does public service mean in relation to nature's diversity?
Providing essential services to human life
Why are species ecosystem roles considered essential?
Necessary for the persistence of ecosystems and all life
What is a population?
A group of individuals of the same species living in the same area or interbreeding
Which term refers to the statistical study of human populations?
Demography
What determines how rapidly a population's abundance changes over time?
Growth rate
What is the unit of time typically used when expressing birth, death, and growth rates for human populations?
Year
What does 'Crude growth rate' measure?
Net number added per 1,000 individuals per year
What does 'General fertility rate' measure?
Number of live births expected in a year per 1,000 women aged 15-49
What does species richness refer to in ecology?
The total number of species in an area
Which term is used to describe the relative abundance of species in an ecological community?
Species evenness
What is clumped dispersion in the context of species distribution?
Animals that move as a group, like migratory birds
Which term is used for the ratio of individuals of a species to the unit area or volume?
Population density
What does genetic diversity encompass among plants, animals, fungi, and microorganisms?
All the different genes contained in these organisms
How do ecologists define ecosystem diversity?
Different habitats, biological communities, and ecological processes
This quiz explores the concept of human population growth represented as an exponential curve, with male and female populations divided by age groups. It delves into how human populations grow at a constant percentage rate, such as in the case of the United States.
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