cold land biome
temperate land biome
tropical land biome
nonmarine ocean areas
fresh marine
100

Short cold summers

long cold winters 

tundra 

100

thick rich soil 

temperate forest 

100

long hot dry summers,shorter dry winters little precipitation 

deserts 

100

small to large bodies of water surrounded by land 

lake /pond 

100

areas between high and low 

inter tidal 

200

short warm wet summers long dry winters 

taiga 

200

darkest,richest soil in the world 

grassland

200

warm all year long wet season short dry seasons 

trop. rainforest 

200

moving fresh water vary in temperature turbulence  

river /stream 

200

seafloor 

benthic/abyssal

300

thin nutrients are poor 

frozen layer of soil 

tundra 

300

grasses can survive hot summers cold winters some rain 

grassland

300

thick acidic nutrients 

trop rain forest

300

phytoplankton plants fish and invertebrates 

river / stream 

300

upper layers of tropical pelagic 

coral reef 

400

short cool summers long cold winters little precipitation 

alpine 

400

flat plains rocky hills mountain slopes 

chaparral

400

hot alternation and dry seasons 

savanna 

400

aquatic grasses crabs and oysters 

estuary 

400
no sunlight cold temps and high pressure 

benthic / abyssal

500

pines,spruces and firs deer,moose and elk 

taiga 

500

maple elm and oak trees 

temperate forest 

500

cacti lizards small mammals 

desert 

500

river flood zones 

wetland 

500

upper layer has light and photosynthesis 

pelagic 

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