6 - BIODIVERSITY Flashcards
1
Q
What are the different types of biodiversity? ((3))
A
- Genetic
- Species
- Ecosystem
2
Q
What is interspecific variation?
A
Comparing members of different species
3
Q
What is intraspecific variation?
A
Comparing members for the same species
4
Q
What is a community?
A
All organisms living in the same habitat
5
Q
What is richness?
A
Number of species in a sample
6
Q
What is abundance?
A
Size of each species population
7
Q
How does deforestation impact biodiversity?
A
- Destroys shelter, food source and habitats
- reduces the number of trees and species
8
Q
How does agriculture impact biodiversity?
A
- woodland area clearnace to make more room
- Eutrophication (chemicals used leak into water and kill aquatic life, aquatic plants no longer produce oxygen and aqauatic animals die) this is caused by pesticides, herbicides and fertilisers
- monocultures
- removal of hedgerows: no more food source, habitat, shelter and a loss of plants.