Keywords Flashcards
What is a carbon footprint?
The amount of carbon dioxide produced by human activity within a country.
Water stress?
Considers the balance between supply and damand of water.
Water deflict?
When demand for water is greater than supply.
Water surplus?
When supply of water is greater than demand.
Grey water?
Re-using semi clean water to clean cars, and flushing the toilet.
Energy mix?
Range of different sources from a country/community.
Energy security?
Make sure energy can meet a damand for a population.
Fracking disadvantages?
Release methane when burned and could contaminate water.
How much water does fracking use?
8 million litres of water
How much methane does fracking use?
Methane 25x (25 times more powerful than co2)
What rock is used for fracking?
Shale rock.
What does Abiotic mean?
All no living things in a ecosystem.
What does biotic mean?
All the living things in an ecosystem.
What is a biome?
A global scale ecosystem.
What is a ecosystem?
The living and no living components of an area, and inter-relationships the exist between them.
What does latitude mean?
How close you are to the equator.
What does high latitude mean?
Away from the equator.
What is a food chain?
Shows the transfer of energy between plants and animals (trophic level)
Factors affecting ecosystem?
- global warming
- heatwave
- droughts
- deforestation
- flooding
- diseases
Fluctuating?
Going up and down over time.
What is a decomposer?
At the end of every chain:bacteria and fungi that break down or digest other organisms, to release water soluble nutrients.
Trophic level 1?
Producers
Organism?
A living thing (bacteria to whales)
Producer?
An organism that creates its own food (usually plants using solar energy)
A secondary consumer?
An organism that eats primary consumers (carnivores)
What is katosol?
The name for the infertile iron rich soils of the tropical rainforest.
Leaf litter?
A layer of soil which is made up of decomposing plants (eg leaves which have fallen on the ground)
What is the structure of the rainforest?
Emergents Main canopy Under canopy Shrub layer Forest floor
What is a adaptation?
Features which allow plant/animals to survive their environment.
What is biodiversity?
The range of plants and animals living in an ecosystem.
