3.4.6 Biodiversity within a community Flashcards
What is biodiversity?
The variety of living organisms in an area
What is species richness?
A measure of the number of different species in a community
What is an index of diversity?
A measure of the number of different species in a community
The greater the index of diversity, the more diverse the area is
What is genetic diversity?
The variety of genes possessed by the individuals that make up a population of a species
What is species diversity?
The number of different species and the number of individuals of each species within any community
What is ecosystem diversity?
The range of different habitats from a small local habitat to the whole of the earth
How is the index of diversity calculated?
d=N(N-1) / Σn(n-1)
d= index of diversity
N= total number of organisms of all species
n= population of one species
