Definition 1 of 243
Made of a mix of deciduous and evergreen trees. fertile soils with rich humus layers. 4 seasons
with warm summers and cold winters. Between 40º and 60º North and South of the equator, low
precipitation and species. High productivity. Threatened due to deforestation for agriculture or
urban developments (farming, wood, fuel).
Temperate forest biome
Desert biome
Grassland biome
Respiration
Term 2 of 243
What percentage of freshwater makes up Earth's water shortages?
approx 1.6%
sand, silt, clay
approx 2.6%
approx 3.6%
,Definition 3 of 243
- An area must be marked out
- Quadrats are placed randomly throughout the selected area and then one must count how
many individuals are in each quadrat and calculate the mean.
- Quadrats are good for plants, since they don't move, but to calculate animals quadrats will be
very difficult.
Leaching
K strategist
Quadrats
Aquaculture is expected...
Definition 4 of 243
the largest
Explain the difference between transfers and transformation
As the human population grows, the availability of land for food production...
The yield of food produced by the first trophic levels is
What are the energy choices adopted by a society impacted by?
Term 5 of 243
R horizon
The bedrock, which lies below all of the other layers of soil.
An impermeable layer of soil that restricts root growth (hardpan)
A layer of soil formed by the accumulation of wind-blown silt (loess)
A layer of soil rich in organic matter and microorganisms (topsoil)
,Term 6 of 243
Examples of endangered species
Polar bear (melting ice caps), bald eagle, tigers
Black rhinoceros (poaching), blue whale, gorillas
Monarch butterfly (habitat destruction), sea turtles, red pandas
Northern Spotted Owl (loss of old growth forest), California Condor, Manatees
Definition 7 of 243
-addition of a substance or agent to an environment at a rate greater than that at which the
environment is able to handle the substance or agent and still be rendered harmless from it.
-an undesirable change in the physical, chemical, or biological characteristics of the air, water,
soil that can harmfully affect living organisms
Define mitigation
Define entropy
Define pollution
Deep ecologist
Term 8 of 243
What limits freshwater supplies?
Lag, exponential, transitional, plateau
continuous positive feedback loops, resource consumption, habitat transformation, energy
production and consumption, climate change
contamination, unsustainable abstraction
glaciers, ice caps, aquifers, groundwater
, Term 9 of 243
Natural increase rate
The speed at which a natural disaster occurs in a given region
The amount of natural resources available for consumption in a year
The percentage by which a population grows in a year (CBR-CDR)
The rate at which a country's currency value increases annually
Term 10 of 243
How can we conserve/enhance water supply>
Explains why rainfall is high at the equator and 60 degrees north and south. It is also used
to explain climate and biome distribution
Resevoirs, redistribution, desalination, grey water cycling.
Fertile soil contains a community of organisms that work to maintain functioning nutrient
cycles and that are resistant to nutrient erosion.
The percentage by which a population grows in a year (CBR-CDR)
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