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Bio & Biodiversity

Definitions

TermDefinition
Biosphere Any location where organisms are found
Biodiversity Hotspot description Relatively small area with endemic (native) species and a large number of endangered and threatened species.
Biodiversity Hotspot criteria 1. Must have at least 1500 vascular plants found nowhere else on earth (endemic species) 2. Must have lost at least 70% of its primary native vegetation
Ecosystem All the organisms (biotic) and abiotic factors and their interactions in a particular area at a particular time
Species A group of morphologically (structural features) similar organisms, that share a gene pool; members of the same species are able to interbreed under natural circumstances and produce viable and fertile offspring.
Gene Pool The sum of all genes including all their different alleles, in a given population of one species.
Gene Section of DNA in a chromosome that codes for a specific protein.
Spatial Scales The space being occupied; distribution of the individuals in a species
Temporal Scales Temporal refers to time. Temporal patterns are studied to provide details about biodiversity in a certain area over a certain time period.
Definition using the 3 levels of biodiversity The variety of life that exists in the Biosphere. Biodiversity includes all the genes in the gene pool, all the species in the ecosystem and all the ecosystems in the biosphere.
Classification Hierarchical systems based on molecular sequences, morphology and methods of reproduction.
Why should we classify species: - Identify and organise information about organisms - Assist in the identification of invasive species - Describe the biodiversity in ecosystems - Universal scientific communication between scientists
Taxonomy Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Created by: meena.srinivasan
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