Terms to Know
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Populations | All the individuals of a species that inhabit a particular place at the same time
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| Genetic Diversity | The sum of the different genes and gene combinations found within a single population of a species and across populations of the same species
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| Population Density | The number of individuals inhabiting some defined area
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| Carrying Capacity | The number of individuals in a population that an environment can support long term
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| K-selected Species | Organisms with populations that generally stabilize close to their carrying capacity and are often regulated by density dependent factors (Whales, bears, wolves, gorillas)
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| r-selected Species | Organisms with populations that generally fluctuate widely in size; subject from catastrophic mortality from harsh weather, fires, and other density independent factors (Mice, rabbits, dandelions, cockroaches)
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| Infraspecific Competition | Competition among individuals of the same species
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| Interspecific Competition | Competition among individuals of different species
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| Invasive Species | An introduced species that poses a serious threat to native populations
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| Biodiversity Hotspot | A region that supports at least 1,500 endemic plant species, approximately 0.5% of the world total, and that has been reduced in area by at least 70%
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| Keystone Species | Species with substantial influence on community structure, despite its low biomass or #s relative to other species; the influence of these species is often exerted through feeding activities; usually toplevel predators sea stars, sea otters, jaguars
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| Umbrella Species | Species whose protection provides protection for the entire ecosystem on which that species depends
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| Flagship Species | Species that attracts and sustains human interest in protecting ecosystems
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| Demography | The statistical study of populations, generally human populations, including their density, growth, age structure, birthrates, and death rates
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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