biodiversity Flashcards
1
Q
species richness
A
the number of species found in a habitat
2
Q
state the three intertwined strands of biodiversity
A
- species diversity
- habitat diversity
- genetic diversity
3
Q
describe how monoculture can cause loss of biodiversity
A
crop of only one clone of plants so little genetic diversity
4
Q
two aesthetic reasons of maintaining biodiversity
A
- mental health
- inspiration for artists and musicians
4
Q
three ecological reasons for biodiversity
A
- better withstand environmental changes
- loss of keystone species may change habitat
5
Q
in situ
A
active management to maintain biodiversity in natural environment
6
Q
ex situ
A
conservation outside of normal habitat of species
7
Q
2 examples ex situ
A
seed banks, zoos
7
Q
2 examples of in situ
A
game reserves, national parks
8
Q
2 pros of in situ
A
- cultural heritage protected
- facilitates scientific research
9
Q
2 cons of in situ
A
- extinction may still occur
- population may have already lost much of its biodiversity
10
Q
2 pros of ex situ
A
- protected from poaching
- selective breeding can be used to increase genetic diversity
11
Q
2 cons of ex situ
A
- exposure to diseases
- difficult to send back into wild as often do not reproduce with their own species anymore
12
Q
state 2 aims of CITES
A
- monitor trade of plants/animals
- reduce trade of endangered species
13
Q
state two aims of CBD
A
- conservation of biodiversity
- appropriate sharing of genetic resources
