biodiversity (chapter 11) Flashcards
(5 cards)
1
Q
what is biodiversity
A
the variety of living organisms present in an area
2
Q
the 3 types of biodiversity
A
habitat, species, genetic biodiversity
3
Q
habitat biodiversity
A
- the no, different habitats found in an area
- the greater the habitat biodiversity e greater the species biodiversity.
4
Q
species biodiversity
A
has two different components
- species richness : the no. different species living in an area
- species evenness : the relative abundance of species in an area
5
Q
genetic biodiversity
A
- the variety of genes that make up species.
- greater genetic biodiversity within a species allows better adaptation to changing eviroment