Ecosystem Diversity Flashcards
1
Q
Biodiversity
A
number and variety of organisms in ecosystem, also variability between species
- gives species greater chance of survival
- aesthetic appeal
- human health and pharmaceuticals
- more types of agriculture
2
Q
Keystone species
A
very important, extinction would lead to extinction of many other species
3
Q
Indicator species
A
used to measure health of ecosystem, sensitive
4
Q
Indigenous species
A
occur naturally an area
5
Q
Invasive species
A
alien, exotic, introduced species
6
Q
Primary succession
A
lichens grow in lifeless area
7
Q
Secondary succession
A
grasses, existing community has been cleared with soil leftover
8
Q
Pioneer species
A
species in first stages of primary or secondary succession
9
Q
Climax community
A
final stage of succession
