Biodiversity and Waste management Flashcards
1
Q
What does biodiversity mean?
A
The variety of different species of organisms on Earth or within an ecosystem
2
Q
Why is high biodiversity important?
A
It makes sure that ecosystems are stable because different species are interdependent
3
Q
What factors are reducing biodiversity?
A
Waste production
Deforestation
Global warming
4
Q
Why is population rising?
A
Modern medicine
Farming methods
5
Q
Why is a higher population bad?
A
- Our increasing population puts pressure on the environment
- People are demanding a higher standard of living -this leads to the increased use of raw materials
6
Q
How are we producing more water waste
A
- Sewage and toxic chemicals from industry’s can pollute lakes rivers and oceans
- Chemicals (fertilisers, pesticides and herbicides) can be washed into water
7
Q
How are we producing more land waste
A
Use of toxic chemicals
Burial of nucelar waste
Dumping of household waste in landfill sites
8
Q
How are we producing more aste in the air
A
Smoke and acidic gases released into the atmosphere can pollute the air
