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58 Cards in this Set
- Front
- Back
Abiotic
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Non-Living parts of an ecosystem (Water, Air)
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Adaptation
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Characteristics that enable organisms to survive
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Structural Adaptation
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A physical feature that allows the organism to survive better
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Physiological Adaptation
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A physical or chemical event that occurs within the body of an organism and enables survival
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Behavioral Adaptation
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What an organism does to survive in the unique conditions of its environment
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Biome
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Largest part of the Biosphere
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Biotic
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Living parts of the ecosystem (Bird)
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Climate
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Average conditions of weather in a large area over 30 years or more
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Climatograph
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A graph of climate data for a specif region
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Biosphere
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The thin layer of air, land and water on or near earths surface
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Commensalism
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When one benefits and the other is not harmed nor benefits
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Competition
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When two or more organisms compete for same nutrient sources
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Mutualism
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Both organisms benefit
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Parasitism
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Where one organism benefits and other is harmed
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Predation
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Predator-Prey interactions
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Ecosystem
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Part of the biome in which aboitic and biotic components interact
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Niche
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A special role an organism plays in the ecosystem
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Population
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All the members of a particular species in an ecosystem
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Community
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All the populations of the different species that interact in an area or ecosystem
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Symbiosis
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An interaction between two different species in that live together in association
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Biodegradation
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The breaking down of dead organic matter by living organisms
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Consumers
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An organism that eats other organisms
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Decomposers
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Organisms that break down wastes and dead organism and change them into usable nutrients
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Food Chain
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A model that shoes energy flow ftom plant to animal...
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Food Pryamid
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A model that shows loss of energy form trophic level to trophic level
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Food Web
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A model that shows feeding relationships within and ecosystem
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Producers
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Organisms that produce food in the form of carbohydrates during photosynthesis
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Trophic levels
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Steps in a food chain that show feeding and niche relationships among organisms
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Cellular Resperation
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The process in which both plants and animals release CO2 back into the atmosphere
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Denitrification
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The process in which nitrogen is returned to the atmosphere
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Denitrifying Bacteria
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Bacteria that convert Nitrate back into Nitrogen gas
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Nitrification
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The prcess in which ammonium is convereted to nitrite
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Nitrifying Bacteria
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Bacteria that convert either ammonium into nitrite or nirtite into nitrate
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Nitrogen Fixation
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The process in which nitrogen gas is converted into compounds that contain nitrate or ammonium
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Nutrients
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Substances that are required by plants and animals for energy, growth...
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Sedimentation
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The process in which soil particles and decaying organic matter accumulate in layers in the ground
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Bioaccumulation
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The gradual biuld-up of synthetic and organic chemicals in living organisms
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Bioremedation
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The use of organisms to break down chemical polluntants
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Heavy metals
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Metallic elements with high density that are toxic to organisms at low concentration
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Keystone Species
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Species that greatly affect population and health of an ecosystem
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PPMs
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A mesurment of chemical accumulation
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PCBs
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Synthetic chemicals containing chlorine that are used in manufacture plastics and products that become stored in animals
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Biomagnification
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The process where chemicals dont just accumalte but concentrate as well
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Adaptive Radiation
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The development of a number of new species from a common ancestor
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Climax community
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A mature community that continues to change over time (boreal Forest)
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Ecological Succesion
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Changes that take place over time in the types of oranisms that live in a area
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Natural Selection
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The process in which over time the est adapted members of a species survive
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Primary Succesion
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The delvelopment of new life area where no organisms exist (bare rock)
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Pioneer Species
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The organisms that are the first to survive in an area
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Secondary Succesion
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The reintroduction of life after a natural disaster
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Natural Disasters
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Flooding, Tsunamis, Drought, Insect Infestation...
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Contamination
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the introduction of chemicals toxins wastes... into the enviornment
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Deforestation
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The clearin or logging of forests without replanting
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Extinction
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the dying out of a species
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Habitat loss
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The destruction of habitats
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Soil degradation
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Damage to soil
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resource exploitation
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Resource use
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sustainabilty
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the ability of an ecosystem to sustain ecological process
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