2578734
Descrição
FlashCards por Charlotte Hewson, atualizado more than 1 year ago
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Criado por Charlotte Hewson
mais de 9 anos atrás
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| Questão | Responda |
| what is biodiversity/ | general term used to describe variety in the living world. refers to number and variety of living organisms in a particular area and has 3 components |
| what are the 3 components? | species diversity genetic diversity ecosystem diversity |
| what is species diversity? | the number of different species and the number of individuals of each species within any one community |
| what is genetic diversity? | refers to the variety of genes possessed by the individuals that make up any one species |
| what is ecosystem diversity? | refers to the range of different habitats within a particular area |
| what are the two components of species diversity? | -number of different species in a given area -proportion of the community that is made up of an individual species |
| what word describes the proportion for example how common one species it? | abundance |
| how would two communities differ if they both contain 25 species? | for example a meadow may have 25 species of equal abundance, where as a wheat field, over 95% could be wheat and the other 5% in those 24 other species |
| what does N stand for in the species diversity index? | total number of organisms of all species |
| what does the n stand for in the species index equation? | total number of organisms of one species |
| how does the given value show level of species diversity? | the higher the value, the greater the species diversity |
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