species richness - the number of different species in an ecosystem, species evenness - a measure of the relative abundance of the different species in an ecosystem. (How similar the total number of individuals of a species are to other species), species abundance - the number of individuals of a particular species within a defined area or ecosystem, percentage cover - a method of estimating the abundance of different species in an area using a quadrat, percentage frequency - the probability that a species will be found within a single quadrat., Simpson’s diversity index - the number of individuals of a particular species within a defined area or ecosystem, predation - a species interaction where one species kills and eats another, competition - rivalry between individuals of the same or different species for specific resource/s, symbiosis - any type of a close and long-term biological interaction between species, disease - a pathogenic condition of a host that is sometimes caused by a pathogen or parasite, biotic  - the living components in the environment, abiotic - the non-living physical factors that affect an organism's ability to survive, species - a group of organisms that share a genetic heritage, are able to interbreed, and create fertile offspring when mating under natural conditions, ecosystem - a biological community of interacting organisms and their physical environment ,

Biodiversity Flashcards

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