warm hot summers, cold winters, seasonal precipitation, fertile soils, occasional fires
tropical grassland (savanna)
warm temperatures, seasonal rainfall, frequent fires set by lightening.
fish and plants have to adapt ways to handle the salty environment, constant cool temperatures
some are free standing and some are flowing water ecosystems, the abiotic factors can vary
tropical rain forest
hot wet all year round, thin, poor soil
low precipitation, cold winters, very short, cool summers, string winds, permanently frozen soil
taiga (coniferous forest)
mild temperatures with cold winters and cool summers, precipitation all year.
temperate deciduous forest
warm summers, cool winters, has all four seasons, year round precipitation, and fertile soil
low precipitation, variable temperatures, very dry