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unit 7 & 8

bio terms

QuestionAnswer
decomposition returns the products to the soil as ammonia
transpiration evaporation from plants
condensation water vapor forms clouds
tropical rain forest warm temperature and abundant rainfall.
grassland warm summers with dry seasons and rainy seasons
desert almost no rainfall. vegetation store water of have deep root systems.
temperate forest hot in summer and cold in the winter. precipitation spaced evenly over the year.
taiga long cold winters and coniferous trees.
tundra very cold most of the year. very little precipitation. ground is permanently frozen
density dependent factor Predator, disease, parasitism, compition
density independent factor Human causes, natural disaster
energy pyramid shows the total amount of energy available in each trophic level
biomass pyrimid the total dry mass of organisms at each trophic level.
pyramid of numbers shows the number of individuality organisms at each trophic level
intraspecific competition competition between organisms of the same species
interspecific competition competition between two of organisms of different species
symbiosis close and permanent relationship between organisms of different species
terrestrial succession nothing but soil is here and seeds are carried by wind and small sun loving plants grow
pioneer species the first plants or animals to be in an ecosystem
climax community slows down and a stable community is established
primary succession an area completely lacking vegetation and soil
secondary succession an ecological disturbance. like a forest fire
aquatic succession when a new pond is formed and no living organisms are living in it.
biogeochemical cycle the movement of a particular chemical through the biological and geological parts of an ecosystem
carbon cycle moves carbon from the atmosphere through the food web and back
Created by: jakobeWHS
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