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environmental

biodiversity

TermDefinition
Biodiversity the variety and variability of life on Earth and the systems that connect them.
Gene pool the decrease in genetic diversity, the more likely the species will face extinction.
Genetic diversity the total number of genetic characteristics in the genetic makeup of a species.
Species diversity defined as the number of species and abundance of each species that live in a particular area/location.
Ecosystem diversity deals with the variations in ecosystems within a geographical location and its overall impact on human existence and the environment.
Provisioning services Tangible goods that people can harvest from the environment. E.G. food, water, and pharmaceuticals.
Regulating services benefit provided by ecosystem processes that moderate natural phenomena E.G. control of climate/diseases, pollination and water purification.
Cultural services includes ways in which nature impacts peoples health and wellbeing through recreational benefits as well as improving mental health and building spiritual connections. E.G. cultural value, aesthetic value and recreational benefits.
Supporting services services necessary for the functioning of all other ecosystem services. They also differ due to the time periods they occur in. E.G. cycling of nutrients, soil formation, photosynthesis.
Relative dating is based on the fact that when layers (strata) of sedimentary and igneous rock are exposed, the lower strata were typically formed before rocks in the upper strata.
Numerical dating provides an estimate of the actual date at which a fossil formed. Numerical dating uses the process of radioactive decay to determine the age of the fossil.
High genetic diversity increased chance of survival . ability to adapt and respond to change.
Low genetic diversity lowers chance of survival , ability to adapt and respond to change.
Created by: tjelt1
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