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Abiotic and Biotic Factors & Ecosystems

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by

Katy Baker

on 7 May 2015

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Transcript of Abiotic and Biotic Factors & Ecosystems

Abiotic and Biotic
Factors

Biotic Factors are living (or once living)
parts of an ecosystem
Plants who make the food (photosynthesis)
Animals who eat the
plants and each other
RAINFALL and WATER
known as the hydrosphere; Main factor in determining type of biotic factors
TEMPERATURE
ALTITUDE
SOIL
FIRE
WIND
temperature second main determining factor;animals and plants have to adapt
hold the nutrients; more nutrients
more plant
growth
both rain and temperature decrease as you go up, rainshadow
necessary in grasslands; chaparral; plants require fire to sprout
increases erosion rates; prevents large plant growth; wind farms
Biomes
Polar
low biodiversity
low productivity
Tundra
Boreal, Taiga
Desert
Grasslands
Temp. Deciduous
Rain Forest
Coral Reef
Estuary
Arctic Ocean
large geographic area that is controlled by similar abiotic and biotic factors
shallow, warm water; highest biodiversity
high productivity
high biodiversity
cold, ice pack; high productivity; high biodiversity
Permafrost, Treeless, Cold, Reindeer, Moss
Coniferous (evergreen), Long winter, Russia, Canada,
Nocturnal animals, Arid, Cold or Hot
Grass, large herbivores, Dry and wet season, Africa, Australia
high biodiversity
high productivity
4 Seasons, Balanced, Woodland critters
Ecological
Succession

Primary Succession
Secondary Succession
Softwoods / Intermediate
Hardwood / Climax Community
bare rock (volcano) is exposed; pioneer species move in break up rock, form soil
Plants: moss, lichens
ferns,
Animals: insects,
worms
grass fields, burned areas, wetlands any place there is soil already.
Plants: grass, shrubs
small trees,
Plants: pines, grasses, small trees
Animals: insects, small herbivores, small predators
Vocab Recall .... relabel your boxes as follows
Primary succession (stays)
Pioneer species
Secondary Succession
Softwood/Intermediate
Hardwood/Climax community
Pioneer Species
A species (plant or animal) that moves in first and makes the area more liveable for others
Pine forest, grow quickly, provide cover; this is the climax for colder forest
Animals: Birds of Prey, Deer, Wolves,
Hardwood trees, most stable, most biodiverse, understory and canopy.
Plants: oak, beech, dogwoods, grass
Animals: large and small carnivores & herbivores,
Nitrification - when
bacteria captures N
and turns into fertilizer
Pine trees have shallow roots
which cause them to be uprooted
in the forest this clear space gives
hardwood room to grow
Full transcript