STUDY
PLAY
First growth phase
slow or leg phase
Second growth phase
Rapid, exponential growth phase
Taiga
Conifers
Temp. Deciduous forest
Oak, maple, ferns
Tundra
Lichen, treeless
Photosynthesis
Atmosphere-> biosphere
Respiration
Biosphere-> atmosphere
Phosphorous cycle
Never enters atmosphere
Nitrogen fixation
Bacteria, lighting, chemical fertilisers
Nitrogen
Limits plant growth
Reservoirs
Stockpiles of materials
Carbon Cycle: reservoirs
Atmosphere 1x bio 3x hydrosphere 55x lithosphere 35,000x
Population
All the organisms that belong to the same species
Species
A group of organisms that interbred naturally & produce fertile offspring
In
Birth, immigrate
Out
Death, emigrate
Mutualism
Both species benefit
Parasitism
The organism feeding on or living on another
Commensalism
One species benefits the other is neither helped or harmed
Niche
Roll (a population plays in habitat)
Habitat
Place
Carrying
Limit to population size that a particular environment can support
Carrying capacity
K
Logistics growth models
S-shaped
Population growth model
J-shaped
Tolerance
Organism to survive when subjected abiotic/ biotic factors
Primary
No topsoil
Secondary
(Fires) soil has remained intact
Abiotic
Weathering
Wetlands
Marshes swamps and bogs
Intertidal zone
Narrow band where the ocean meets land
Rules of 10's
90% loss of energy each step
herbivore
Plants only
Carnivore
Eat meat or other heterotrophs
Omnivores
Both meat & plant
Detritivores
It will fragments of dead matter (worms)
Decomposers
Dead decay matter (fungi)
Estuart
Semi-closed coastal body of water with one or more rivers or streams flowing into it
YOU MIGHT ALSO LIKE...