Definition
(Genetic diversity, species diversity, ecological diversity, speciation, extinction and the birth-death model, background extinction rate, mass extinction, biodiversity hotspot)
Ecosystem functions and services
(Definition, natural capital, pollination service, food and feed service)
Biodiversity threats and risks
(Habitat loss, fragmentation and degradation, theory of island biogeography, species area relationship, species distribution, endemics-area curve, forest loss, invasive species, types of biodiversity pollution, dose-response relationship, air quality standards, cost of pollution, overexploitation in aquatic systems, overexploitation in tropical forests, freshwater, mathematical models of population and resource ecology with harvesting, climate change)