abiotic
acid
alkaline
aquifer
arable
asthenosphere
atmosphere
barrier island
biotic
chemical weathering
clay
convection
convection currents
convergent boundary
coral reef
Coriolis effect
crop rotation
delta
divergent boundary
doldrums
drip irrigation
earthquake
El Nino
erosion
estuary
fault
Green Revolution
greenhouse effect
Hadley cell
Headwaters
Horizon
humus
inner core
jet stream
land degradation
La Nina
lithosphere
mantle
monoculture
rain shadow
R horizon
salinization
sand
silt
Southern Oscillation
subduction zone
thermocline
thermosphere
topsoil
trade winds
transform boundary
tropical storm
upwelling
volcanoes
watershed
weather
weathering
wetlands
assimilation
autotroph
bioaccumulation
the accumulation of a substance, such as a toxic chemical, in various tissues of a living organism.
biosphere
carnivore
climax community
combustion
community
competitive exclusion
consumer
decomposer
denitrification
detritivore
ecological succession
edge effect
energy pyramid
evaporation
evolution
extinction
food chain
food web
Gross Primary Productivity
habitat
habitat fragmentation
indigenous species
invasive species
keystone species
law of conservation of matter
mutualism
natural selection
niche
nitrification
nitrogen fixation
omnivores
parasitism
photosynthesis
pioneer species
population
predation
primary consumers
primary succession
producer
realized niche
reservoir
respiration
secondary consumers
species
tertiary consumers
transpiration
trophic level
albedo
biotic potential
carrying capacity
demographic transition model
ecological footprint
emigration
genetic drift
Immigration
k-selected
logistic population growth
population density
replacement birth rate
total fertility rate
agroforestry
when trees and crops are planted together, creating a mutualistic symbiotic relationship between them.
Aquaculture
bottom trawling
clear-cutting
conservation
consumption
...
deforestation
fishery
greenbelt
malnutrition
poor nutrition that results from an insufficient or poorly balanced diet.
mineral deposit
natural resources
nonrenewable resources
preservation
renewable resources
selective cutting
silviculture
tailings
traditional subsistence agriculture
when each family in a community grows crops for themselves and rely on animal and human labor to plant and harvest crops.
terracing
crude oil
energy
fission
fossil fuel
First Law of Thermodynamics
fly ash
Half-life
kinetic energy
nuclear fusion
overburden
passive solar energy collection
petroleum
potential energy
radiant energy
sunlight.
Second Law of Thermodynamics
strip mining
wind farm
acid precipitation
catalytic converter
closed-loop recycling
composting
chronic effect
disease
dose-response curve
ED50
the point at which 50 percent of the test organisms show a negative effect from a toxin.
global warming
hazardous waste
Infection
LD50
the point at which 50 percent of the test organisms die from a toxin.
leachate
non-point source pollution
pathogens
photochemical smog
point source pollution
poison
primary pollutants
risk assessment
calculating risk, or the degree of likelihood that a person will become ill upon exposure to a toxin or pathogen.
risk management
secondary pollutants
sick building syndrome
sludge
solid waste
threshold dose
toxicity
the degree to which a substance is biologically harmful.
toxin
vector
green tax