Biodiversity. Flashcards
Define species evenness
The relative abundance of each different species within a community
Define species richness
Species richness is the number of species in a habitat
Define phylogeny
The evolutionary relationship between organisms.
Define biodiversity
The variety of species in an area.
What does CITES stand for?
Convention (on) International Trade (of) Endangered Species.
What are the 3 subtypes of biodiversity?
- Species diversity
- Habitat diversity
- Genetic diversity
What is meant by species diversity?
The number of different species and individuals within each species within an area.
Define habitat diversity
The range of habitats in which different species live
Define genetic diversity
The variety of genes amongst all individuals in a population of one species.
How is genetic diversity calculated?
Examining polymorphic genes
Define a polymorphic gene
A gene that has more than one allele
When is genetic diversity found?
Where there is more than one allele for a particular locus.
What is the formula used to calculate genetic diversity?
- Proportion of polymorphic gene loci = Number of polymorphic gene loci / total number of loci.
