11.1 Biodiversity Flashcards
1
Q
Biodiversity
A
Variety of living organisms present in an area
2
Q
Levels of biodiversity
A
Habitat biodiversity.
Species biodiversity.
Genetic biodiversity.
3
Q
Habitat biodiversity
A
Number of different habitats found within an area. Can be used to measure countries or smaller regions like a small area of countryside, including grassland, hedgerows and rivers
4
Q
Species biodiversity
A
2 conponents: species evenness and species richness.
5
Q
Species richness
A
Number of different species living in a particular area
6
Q
Species evenness
A
Comparison of numbers of individuals of each species living in a community
7
Q
Genetic biodiversity
A
Variety of genes that make up a species. Humans have ~25,000 but some flowering plants have up to 400,000.
