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EcologySandoval

Ecology Flash Cards

QuestionAnswer
What is Ecology? Ecology is the scientific study of interactions among organisms and between organisms and their enviornment or surroundings.
What is the Biosphere? The biosphere is the house of nature that includes the combined protions of the planet in which all of life exists, such as land, water, and air or atmosphere.
What is a Species? A species is a group of organisms so similar to one another that they can breed and produce fertile offspring.
What is a Population? A population is a group of individuals that belong to the same species and live in the same area.
What is a Community A community is group of different populations that live together in a defined area.
What is an Ecosystem? An ecosystem is a collection of all the organisms that live in a particular place together with their nonliving, or physical enviornment.
What is an Autotroph? An autotroph is an organism that can capture energy from sunlight or chemicals and use that energy to produce food.
What is a Heterotroph? A heterotroph is an organism that relys on other organisms for their energy and food supple.
What is a Food Web? A food web is a network of complex feeding relatioinships in an ecosystem.
What is a Trophic Level? A trophic level is the steps in a food chain or food web.
What is a Biomass? A biomass is the total amount of living tissure withing a given trophic level.
What is a Biogeochemical Cycle? A biogeochemical cycle is what passes elements, chemical compounds, and other forms of matter from one organism to another and from one part of the biosphere to another.
What is a Limiting Nutrient? A limiting nutrient is a single nutrient that is scarce or cycles very slowly.
What is Weather? Weather is the day to day condition of Earth's atmosphere at a particular time and place.
What is Climate? Climate is the average year after year conditions of temperature and precipition is a particular region.
What is the Greenhouse Effect? The greenhouse effect is the natural situation in which heat is retained by a layer of greenhouse gasses.
What is a Biotic Factor? A biotic factor is the biological influence on organisms within an ecosystem.
What is an Abiotic Factor? An abiotic factor is the physical or non-living factors that shape ecosystems.
What is a Niche? A niche is the full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions.
What is Logistic Growth? Logistic growth is when a populations growth slows or stops following a period of exponential growth.
What is Carrying Capacity? Carrying capacity is the largest number of individuals of a population that a given enviornment can support.
What is Demography? Demography is the scientific sutdy of human populations.
What is Demographic Transisition? Demographic transition is a dramatic change in birth and death rates.
What is the Green Revolution? The green revolution is the effort put forth by governments and scientists to increase food production in parts of the world that had food shortages during the middl of the 20th century.
What is a Renewable Resource? A renewable resource is a resource that can regenerate if they are alive or can be replenished by biochemical cycles if they are nonliving.
What is a Pollutant? A pollutatnt is harmful material that can enter the biosphere through the land, air, or water.
What is Biodiversity? Biodiversity is the sum total of the genetically based variety of all organisms in the biosphere.
What is Biological Magnification? Biological magnification is a process in which concentrations of a harmful substance increase in organisms at higher trophic levels in a food chain or web.
Created by: NickSandoval
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