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APES Semester Study Guide Flashcards

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5714391699ClimateAverage weather that occurs in a region over a long period.0
5714391701TroposphereMost of the N2, O2 and H2O vapor is here. Densest Layer of Atmosphere. Where weather occurs.1
5714391702StratosphereLess dense. Ozone is formed here. Blocks UV radiation2
5714391711Polar CellsAir currents above 60 degrees North and South3
5714391712Coriolis EffectThe deflection of an objects path due to Earth's rotation4
5714391718BiomeParticular combination of average annual temperature and annual precipitation and contain distinctive plant growth forms that are adapted to its climate.5
5714391754el ninothis phenomenon is characterized by weakened trade winds and a lack of upwelling in the Pacific Ocean6
5714391755la ninathis phenomenon is characterized by strong trade winds and upwelling in the Pacific Ocean7
5714391799Law of Conservation of MatterThe principle that the total amount of matter is constant during any physical or chemical change (matter is neither created nor destroyed during these types of changes).8
57143918001st Law of ThermodynamicsThe principle of conservation of energy. Energy can be transferred and transformed, but it cannot be created or destroyed.9
57143918012nd Law of ThermodynamicsEvery energy transfer or transformation increases the entropy of the universe.10
5714391802EntropyA measure of disorder or randomness and a function of thermodynamic variables, as temperature, pressure, or composition, that is a measure of the energy that is not available for work during a thermodynamic process11
5714391803OrganismA living thing12
5714391804SpeciesComprising related organisms that share common characteristics and are capable of interbreeding.13
5714391805PopulationA group of individuals that belong to the same species and live in the same area14
5714391806Communityan interacting group of various species in a common location. For example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi15
5714391808ProducersMake their own food16
5714391809Autotrophsany organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists.17
5714391810ConsumersAn organism that obtains energy and nutrients by feeding on other organisms or their remains.18
5714391811HeterotrophsAn organism that obtains organic food molecules by eating other organisms or their by-products.19
5714391826Climate ChangeChange in the statistical properties of the climate system when considered over periods of decades20
5714391861populationcomposed of all individuals that belong to the same species and live in a given area at a particular time21
5714391862communityincorporates all of the populations of organisms within a given area; how species interact within; all biotic and abiotic components in a location22
5714391865population densitythe number of individuals per unit area (or volume for aquatic organisms) at a given time; help science estimate if species is rare/abundant- wild life managers for hunting23
5714391869density-dependent factorsinfluences an individual's probability of survival and reproduction in a manner that DEPENDS on the SIZE of the population24
5714391870density-independent factorshave the same effect on an individuals probability of survival and amount of reproduction at ANY POPULATION SIZE25
5714391871limiting resourcea resource that a population cannot live without and which occurs in quantities lower than the population would require to increase in size26
5714391872carrying capacity; kpopulation growth slowed as population size increased because there was a limit to how many individuals the food supply could sustain27
5714391879k-selected speciespopulations increase slowly until they reach the carrying capacity (k) of the environment; population fluctuation = small (reproductive strategy); typically large and reach reproductive maturity relatively late, produce few large offspring, provide substantial parental care, slow pop growth rate (Ex. large mammals like elephants, birds)28
5714391880r-selected speciesreproduce often and produce large numbers of offspring; reproduce often, large number of offspring, rapid population growth, little or no parental care, are reproductively mature young. Mostly small organisms: small fish, rats, many insects-cockroaches, weedy-plant species-dandelions.(reproductive strategy)29
5714391889competitionthe struggle of individuals to obtain a shared-limiting resource; Gause experiments saw only one organism thrive when two put together30
5714391890competitive exclusion principlestates that two species competing for the same limiting resource cannot coexist; when they have same realized niche one will preform better and try the other to extinction31
5714391891resource partitioningwhere two species divide a resource based on differences in the species' behavior or morphology32
5714391892predationinteractions in which one animal kills and consumes another animal, refers to the use of one species as a resource by another species; predator control of prey population;33
5714391893predatoran animal that kills and consumes another animal34
5714391894herbivoreanimal that consumes plants as prey35
5714391895herbivoryan interaction in which an animal consumes a producer; typically each only a portion of a producer without killing;36
5714391896parasitesorganisms that live on or in the organisms they consume; a single parasite rarely cause the death of the host;37
5714391898parasitisminteraction in which one organism lives on or in another organism- referred to as a "host"38
5714391899mutualismwhen two interacting species benefit by increasing both species' chances of survival or reproduction; win-win39
5714391901commensalisma type of relationship in which one species benefits but the other is neither harmed nor helped; Ex. birds living in a nest in a tree40
5714391902symbiotic relationshipthe relationship of two species that live in close association with each other41
5714391906ecological successionthe predictable replacement of one group of species by another group of species over time42
5714391907primary successiona type of ecological succession that occurs on surfaces that are initially devoid of soil43
5714391908secondary successiona type of ecological succession that occurs in areas that have been disturbed but have not lost their soil, following forest-fire or hurricane44
5714391909pioneer speciesorganisms that have the ability to colonize new areas rapidly and grow well in full sunshine45
5714391964Ecosystemthe living and non-living components of a particular place on earth46
5714391965Bioticthe living part of the earth (animals and plants)47
5714391966Abioticthe non-living part of the earth (soil, air, water)48
5714391970sustainabilityliving on the Earth in a way that allows us to use its resources without depriving future generations of those resources.49
5714391980Sustainable Developmentdevelopment that balances current human well-being and economic advancement with resource management for the benefit of future generations50
5714391981In order to live sustainablyEnvironmental systems must not be damaged beyond their ability to recover. Renewable resources must not be depleted faster than they can regenerate. Nonrenewable resources must be used sparingly.51
5714391982The ecological footprintA measure of how much a person consumes, expressed in area of land52
5714391915PhotosynthesisThe process by which producers use solar energy to convert carbon dioxide and water into glucose53
5714391916Cellular respirationThe process by which cells unlock the energy of chemical compounds54
5714391917ConsumerAn organism that is incapable of photosynthesis and must obtain its energy by consuming other organisms (also known as heterotroph)55
5714391925DetritivoreAn organism that specializes in breaking down dead tissues and waste products into smaller particles56
5714391926DecomposersThe fungi and bacteria that complete the breakdown process by converting organic matter into small elements and molecules that can be recycled back into the ecosystem.57
5714391929BiomassThe total mass of all living matter in a specific area58
5714391933Biogeochemical cycleThe movements of matter within and between ecosystems59
5714391934Hydrologic cycleThe movement of water through the biosphere60
5714391935TranspirationThe release of water from leaves during photosynthesis61
5714391938Carbon CycleThe movement of carbon around the biosphere62
5714391940Limiting nutrientA nutrient required for the growth of an organism but available in a lower quantity than other nutrients63
5714391941Nitrogen cycleThe movement of nitrogen around the biosphere64
5714391942Nitrogen fixationA process by which some organisms can convert nitrogen gas molecules directly into ammonia65
5714391943NitrificationThe conversion of ammonia into nitrite and then into nitrate66
5714391944AssimilationThe process by which producers incorporate elements into their tissues67
5714391946AmmonificationThe process by which fungal and bacterial decomposers break down the organic nitrogen found in dead bodies and waste products and convert it into inorganic ammonium68
5714391947DenitrificationThe conversion of nitrate in a series of steps into the gases nitrous oxide and, eventually, nitrogen gas, which is emitted into the atmosphere69
5714391949Phosphorus cycleThe movement of phosphorus (which rarely changes form) around the biosphere70

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