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CP Ecology Part 3

Ecology Part 3

QuestionAnswer
trophic levels Any of the sequential stages in a food chain
acid rain pollutants such as nitrogen oxides and sulfur combine with water in the atmosphere.
bioaccumulation (biological magnification) A trophic process in which retained substances become more concentrated with each link in the food chain.
biodiversity The variety of species in an ecosystem
deforestation the removal of a forest or stand of trees
density dependent Any factor influencing population regulation that has a greater impact as population density increases
density independent factors Any factor influencing population regulation that acts to reduce population by the same percentage, regardless of size.
desertification a type of land degradation in which a relatively dry land region becomes increasingly arid, typically losing its bodies of water as well as vegetation and wildlife.
erosion the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water flow, and then transported and deposited in other locations.
fossil fuel formed by natural processes such as anaerobic decomposition of buried dead organisms.
global warming the rise in the average temperature of Earth's atmosphere and oceans
greenhouse effect The warming of planet Earth due to the atmospheric accumulation of carbon dioxide, which absorbs infrared radiation and slows its escape from the irradiated Earth.
kudzu an invasive species, it is considered a noxious weed that climbs over trees or shrubs and grows so rapidly, it kills them by heavy shading.
nonrenewable resource a natural resource that cannot be reproduced, grown, generated.
ozone layer the region of the stratosphere that absorbs high
renewable resource any natural resource (as wood or solar energy) that can be replenished naturally with the passage of time
waste lagoons a lined earthen basin used to treat raw organic waste, and store treated solids and liquids.
water runoff the water flow that occurs when soil is infiltrated to full capacity and excess water from rain, melt water
Created by: nbctbio