Biodiversity Flashcards
Biodiversity definition
The variety of living organisms in an area
Habitat definition
The place where organisms live
Community definition
The populations of different species in a habitat
Levels of biodiversity
Local diversity
The variety of species in a small habitat close to you
Global diversity
The variety of species on earth
Biodiversity varies in different parts of the world it is greatest at the equator and decreases towards the poles
How can diversity be measured
Species richness
Index of diversity
Species richness
A measure of the number of different species in a community
Index of diversity formula
D
Diversity
N
Total number of organisms in all species
N lower case
Total number of organisms of one species