Ecology Study Guide Complete Questions And 100% Correct Verified Answers.

Ecology - correct answer The study of how organisms interact with their environment Biotic Factor - correct answer The living factors in an ecosystem Abiotic Factor - correct answer The non-living factors in an ecosystem Organism - correct answer One individual living thing Population - correct answer A group of organisms in a specific area that are all the same species Community - correct answer All the organisms in a specific area Ecosystem - correct answer All the biotic and abiotic factors in an area Biosphere - correct answer All of the biotic and abiotic factors on earth Habitat - correct answer An organism's specific environment, with characteristic abiotic and biotic factors Deforestation - correct answer Clearing of forest for agriculture, lumber, or other uses Global Warming - correct answer Rise in earth's average temperature Eutrophication - correct answer Rapid growth of algae in bodies of water, due to high levels of nitrogen and often phosphate Bio magnification - correct answer Process by which pollutants become more concentrated in successive tropic levels of a food web Population density - correct answer Number of individuals of a particular species per unit area or volume Exponential Growth - correct answer An increase often due to limiting factors having low impact Limiting Factor - correct answer Condition that restricts a population's growth, such as space, disease, and food availability Carrying Capacity - correct answer Number of organisms in a population that an environment can maintain Density-Dependent Factor - correct answer Impact populations when the population density is high Density-Independent Factor - correct answer Impact individuals in a population regardless of density •natural disasters Age-Structure - correct answer Proportion of people in different age groups in a population Ecological Succession - correct answer Series of changes in the species in a community, often following a disturbance Primary Succession - correct answer Process by which a community arises in a virtually lifeless area with no soil Secondary Succession - correct answer Change following a disturbance that disturbance that damages an existing community but leave the soil intact Invasive Species - correct answer is a plant, fungus, or animal species that is not native to a specific location (an introduced species), and which has a tendency to spread to a degree believed to cause damage to the environment, human economy or human health. Overexploitation - correct answer Practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population Biodiversity - correct answer Variety of life on earth Interspecific Competition - correct answer Competition between species that depend on the same limited resource Competitive Exclusion - correct answer One species exceeding another when the growth of both species is limited by the same resource Niche - correct answer Unique living arrangement of an organism defined by its habitat, food sources, time of day it is most active, and other factors Predation - correct answer Interaction in which one organism consumes another Symbiotic relationship - correct answer Close interaction between species in which one species lives in or on the other Parasitism - correct answer Relationship in which a parasitic organism obtains its food at the expense of a host organism Commensalism - correct answer Symbiotic relationship in which one organism benefits, while the other organism is neither harmed nor helped Mutualism - correct answer Type of symbiotic relationship in which both organisms involved benefit Nitrogen fixation - correct answer Process by which certain bacteria convert nitrogen gas to ammonia Nitrification - correct answer Process by which certain bacteria convert ammonium to nitrates Transpiration - correct answer Evaporation of water from a plant's leaves Evaporation - correct answer A process by which water is he did and turned into water vapor, entering the atmosphere Condensation - correct answer Process by which water vapor is cooled and changed back into liquid water Precipitation - correct answer Water vapor that condensates and falls to the earth Consumer - correct answer An organism that obtains food by eating producers or other consumers Decomposer - correct answer An organism that breaks down waists and dead organisms Trophic level - correct answer Feeding level in an ecosystem Food chain - correct answer Pathway of food transfer from one trophic level to another Hebivore - correct answer A consumer that eats only producers Omnivore - correct answer Consumer that eats both producers and consumers Primary consumer - correct answer Consumer that feeds directly on producers Secondary consumer - correct answer Consumer that eats primary consumers Tertiary consumer - correct answer Consumer that eats secondary consumers Detritus - correct answer Wastes and remains of dead organisms Foodweb - correct answer Pattern of feeding in an ecosystem consisting of interconnected a