Biodiversity Flashcards
1
Q
What is biodiversity?
A
The variety of species in an ecosystem
2
Q
What are the 4 measures of biodiversity?
A
- Species richness
- Species diversity - The number of species and the number of
individuals in each species. - Genetic diversity- The number of species in a community and their proportions
- Ecosystem diversity- The number of habitats.
3
Q
What is the advantage of high biodiversity in an ecosystem?
A
Allows for better adaptation to a changing environment and resistance to disease.
4
Q
What is a habitat?
A
The place where a species lives within an ecosystem
5
Q
What is a community?
A
The living organisms of all species found in a particular ecosystem at a particular time.
6
Q
What is an ecosystem?
A
A relatively self-contained, interacting community of organisms and their environment.
7
Q
What is the human impact on biodiversity?
A
- Genetic diversity decreases
- Species richness decreases
- Index of diversity decreases
Fewer habitats, variety of organisms decreases, variety of food decreases
