Biodiversity Flashcards
1
Q
3 levels of biodiversity
A
1) genetic diversity
2)species diversity
3) community & ecosystem diversity
2
Q
Factors that may limit the distribution of species
A
1) Local extinction
2) global extinction
3) biotic & abiotic factors
3
Q
How humans decrease biodiversity?
A
1) habitat loss
2)overharvesting
3)introduced/invasive species
4)global change
4
Q
Why preserve biodiversity?
A
1) Ethical responsibility to protect other life forms
2)preserve essential services that ecosystems perform
3)humans depend on plants , animals & microorganisms