b18: biodiversity and ecosystems Flashcards
(5 cards)
1
Q
what is biodiversity
A
the variety of all the different species of organisms on earth or within an ecosystem
2
Q
what is the advantage of high biodiversity
A
ensures stability of ecosystems by reducing the dependence of one species on another
3
Q
how are humans trying to maintain biodiversity
A
- breeding programs
- protection of rare habitats
- reintroduction of hedgerows
- reduction of deforestation and carbon dioxide emissions
- recycling recourses
4
Q
why are more recourses being used and more waste produced by humans
A
rapid growth in human population and increase in the standard of living
5
Q
where does pollution occur
A
water
air
land
