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Bio 101 - UW Madison

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Term
Definition
show Organization structure of all living and non-living things  
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Catastrophism   show
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Uniformitarianism   show
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Inheritance of acquired traits   show
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show Modern day; currently living  
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Endemic   show
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show Able to be inherited through genetics  
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Homologous structures   show
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show Similarities between species on the molecular level  
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show Features of different species that are similar in function but not necessarily in structure and do not derive from a common ancestral feature  
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show The process where distantly related organisms independently evolve similar traits to adapt to similar needs  
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show Study of spatial distribution of biological diversity  
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Neutral variation   show
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Microevolution   show
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show An allele that is the only variant that exists for a gene in a population  
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Polymorphism   show
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show Causes new alleles and therefore changes in a population's allele frequencies  
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show Effects of random chance on a population  
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show A few individuals start a new population. Causes reduced genetic variability  
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Bottleneck effect   show
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show One extreme version of a trait is favored  
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show Extreme phenotypes are favored  
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Stabilizing selection   show
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show "Just because you survive doesn't mean you reproduce"  
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show Defines a species as a group of organisms that can interbreed and produce fertile offspring  
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show Defines a species as a group of organisms that are morphologically similar to one another and are distinct from other similar groups  
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Argument from authority   show
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Ring species   show
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show Part of the population becomes geographically separated  
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show The species is unaffected by geographic isolation  
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show A condition where an organism acquires an extra set of chromosomes  
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show Areas where distinct populations mate and leave hybrid offspring  
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show Big changes reflect slow, steady change  
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show Long periods of little change interrupted by short periods of rapid change  
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Adaptive radiation   show
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Oxygen revolution   show
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Ecology   show
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Population ecology   show
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Clumped dispersion   show
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show Individuals evenly spaced apart  
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show Individuals randomly spaced apart  
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show Ratio of males:females at conception (primary), birth (secondary), and maturity (tertiary)  
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Age structure   show
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show # of offspring / time  
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show (birth-death) / population  
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Life history   show
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show Average amount of time between the birth of an individual and the birth of its offspring  
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show Proportion of individuals alive at each stage  
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Survivorship curve types   show
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show The amount of land and water needed to produce all the resources we consume and absorb the waste we produce  
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show Amount of biologically productive land and water area available to provide the resources a population consumes  
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show Individuals of different species that live in the same area  
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show Related groups within a community  
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Species richness   show
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show Distribution among the different species  
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Dominant species   show
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show The total weight of individuals in a defined area  
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show Habitat forming species, creates physical structure of ecosystem  
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show Change the physical environment via mechanical or other means  
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Keystone species   show
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show +/- interaction that's good for the predator and bad for the prey  
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show Different species copy patterns of an original species to avoid predation  
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show Species benefit from it's own pattern being a signal of toxicity  
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Aposomatic coloration   show
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show Method of avoiding predation where a large herd of animals swarms around a predator  
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show Pattern being used to scare a potential predator  
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Co-evolution   show
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show Interaction between organisms of two different species with direct physical contact  
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Mutualism   show
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show A species living inside its host  
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Parasitism   show
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show Disease causing microorganism  
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Commensalism   show
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show -/- interaction where two or more species rely on the same limited resource  
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show Two species that share the same limited resource cannot coexist indefinitely  
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Niche   show
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show The greatest possible range of resources  
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Realized niche   show
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show Greater differences in a trait when two species co-occur than when separated  
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Resource partitioning   show
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Trophic structure   show
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show (The first trophic level) Any organism that can convert light or chemical energy into organic matter  
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Primary consumer   show
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show (The third trophic level) Mostly carnivores that eat primary consumers  
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show (The fourth trophic level) Carnivores that eat secondary consumers  
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Omnivory   show
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Detritivory   show
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show Herbivore at one age and predator at another  
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Trophic cascade   show
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Top down control   show
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Bottom up control   show
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Autotrophy   show
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show Rate of production of chemical energy  
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Net primary production   show
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Heterotrophy   show
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show A graphical representation of the energy found within the trophic levels of an ecosystem  
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show Only about 10% of energy stored as biomass in a trophic level is passed to the next level  
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show Element needed to build living organisms  
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show Nutrients your body needs in larger amounts (carbs, protein, and fat)  
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Micronutrient   show
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Uptake   show
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show The conversion of biomass to gaseous form, water, salts, and minerals  
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Anthropocene   show
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show Any benefit that wildlife or ecosystems provide to people  
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Natural capital   show
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show Any benefit to people that can be extracted from nature  
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show Any benefit provided by ecosystem processes that moderate natural phenomena (pollination, decomposition, water purification etc)  
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Cultural services   show
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Supporting services   show
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show Keeps track of species status, mostly plants and vertebrates  
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Invasion meltdown   show
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show Large scale changes above species levels  
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