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EcologyThaler1

QuestionAnswer
ecology the scientific studies of interactions between different types of organisms and their enviorment.
biosphere contains all life that exists including water, land, air, or atmosphere.
species group of organisms that are alike that can produce fertile offspring.
population groups of individuals that belong to the same species and live in the same area.
community different populations that live togethger in a defined area.
ecosystem collection of all organisms that live in a particular place together with nonliving, or physical, enviorment.
autotroph captures energy and uses it to produce food.
heterotroph organisms that rely on other organisms for energy and food supply.
food web links all the food from the chains in an ecosystem together.
trophic level each step in a food chain or food web.
biomass total amount of living tissue within a given trophic level
biogeochemical cycle matter recycled within and between ecosystems
limiting nutrient when an ecosystem is limited by a single nutrient
weather day-to-day condition of earths atmosphere
climate average year-after-year conditions
green house effect natural situation in which heat is retained
biotic factor organisms within an ecosystem
niche full range of physical and biological conditions in which an organism lives
logistic growth populations growth slows or stops
carrying capacity largest number of individuals an environment can support
demography study of human population
demographic transition dramatic change in birth and death rates
green revolution increased the worlds food supply
renewable resource regenerate if they are alive or can be replenished
pollutant harmful material that can enter the biosphere
biodiversity number of genetically based information carried by organisms
biological magnification harmful substance that hurts the food web
Created by: JessicaThaler
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