B18.2 Land And Waste Managment Flashcards
1
Q
What are four examples of land pollution ?
A
Land full
Housing
Agriculture
Farming for resources
2
Q
What are the effects of land pollution ?
A
Habitat description
Polluting and harmful substances released into the environment
Monoculture
3
Q
What is monoculture ?
A
The destruction of land contains many species to grow a single crop as a food source
It is a way of meeting food demand however it greatly deduces variation in a population
4
Q
What are some examples of water pollution ?
A
Eutrophication
5
Q
What are the steps of eutrophication ?
A
- Fertilised runs of land into nearby lake or river (leaching)
- Algae thrives of fertilizer and forms a thick layer on the surface
- This blocks the light so plants below die
- No oxygen ridiculed and the decomposers use the remaining oxygen left during decay
- Little oxygen in the water so other organisms die
6
Q
How does bio accumulation work ?
A
- Farmers use fertilizers on their plants
- Animal eats 5 peices of grass
- Predator eats 10 of those animals therefore in taking a large amount of toxic chemicals
7
Q
What is bio accumulation ?
A
Pollutants inside organism build up incrementally the further up they are in the food chasing