10.2 Diversity within a community Flashcards
1
Q
What is biodiversity?
A
The number and variety of living organisms in a particular area
2
Q
What are the three components of biodiversity?
A
- Species diversity
- Genetic diversity
- Ecosystem diversity
3
Q
Describe species diversity.
A
The number of different species, and number of individuals of one species, in a community
4
Q
Describe genetic diversity.
A
The variety of genes possessed by individuals that make up a population of a species.
5
Q
Describe ecosystem diversity.
A
The range of different habitats (can be local or global)
6
Q
What is species richness?
A
- a measure of species diversity
- measures the number of different species within a community
- important because two communities may have the same number of species, but the proportions may differ
7
Q
How do you measure species dicersity?
A
By an equation (see textbook)
