3.7 Components of Biodiversity Flashcards
1
Q
biodiveristy can be measured in terms of…
A
- genetic diversity
- species diversity
- ecosystem diversity
2
Q
what is genetic diversity
A
the number and frequency of alleles within a population
3
Q
why is it important to maintain high levels of genetic diversity in a population?
A
to prevent inbreeding depression and to allow a population to adapt to changing environmental conditions
4
Q
describe ‘species diversity’
A
species diversity is comprised of the number of different species in an ecosystem (species richness) and the proportion of each of those species in the ecosystem (relative abundance)
5
Q
what adaptations would enable a plant species to tolerate grazing?
A
- a low meristem
- a rosette lead pattern (the leaves lay flat on the ground)
- deep root system
- underground stem/storage organ
6
Q
what is ecosystem diversity?
A
the number of different ecosystems in an area
