3.7 Criteria Flashcards
1
Q
Define genetic diversity:
A
The number and frequency of all alleles within a population
2
Q
When a species dies out, then the species may lose what?
A
Some of its genetic diversity
3
Q
A loss of genetic diversity may limit the species ability to what?
A
Adapt to changing conditions
4
Q
Define species diversity:
A
The number of different species in an ecosystem (the species richness) and the proportion of each species in the ecosystem (relative abundance)
5
Q
A community with a dominant species has lower species diversity than what?
A
A community with the same species richness but without the dominant species
6
Q
Define ecosystem diversity:
A
The number of distinct ecosystems within a defined area
