biodiversity Flashcards
what can be used to measure biodiversity?
species richness
what can species richness be used to measure?
biodiversity
what is species richness?
the number of different species in a community
what does species richness consist of?
-number of different species in a given area
-the proportion of the community that is made up of an individual species
when calculating species diversity, what does a higher number indicate?
more diverse
what does the N(N-1) mean in the species diversity equation?
total number of organisms of all species x total no of all organisms - 1
what does the £n(n-1) mean in the species diversity equation?
sum of total number of organisms of each species x total number of organisms of each species - 1
define the term biodiversity
the variety of living organisms living in an area
define the term habitat
the place where organisms live
define the term community
all populations of different species in a habitat
define the term species diversity
the number of different species and the number of individuals of each species within any one community
define the term genetic diversity
the variety of genes possessed by individuals that make up and one species
