Populations and Communities
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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| biosphere | parts of the Earth and the atmosphere where there is life
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| biotic potential | potential growth of a population in perfect conditions with no limiting factors
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| carrying capacity | largest number of individuals of one species that an environment can support
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| competition | struggle in a community for the same resources
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| limiting factor | anything that restricts the size of a population
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| population | all the organisms of the same species that live in the same area at the same time
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| population density | size of a population compared to the amount of space available
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| birthrate | number of offspring produced over a given time period
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| death rate | number of individuals that die over a given time period
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| endangered species | population that is at risk of extinction
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| estimate | to determine roughly the size, nature, or extent of something
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| exponential | mathematical expression that contains a constant raised to a power
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| extinct species | population that has died out
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| migration | instinctive seasonal movement of a population
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| threatened species | population at risk but is not yet endangered
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| commensalism | symbiotic relationship that benefits one species but does not harm or benefit the other
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| consumer | organism that gets energy by eating other organisms
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| habitat | place within an ecosystem where an organism lives
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| mutualism | symbiotic relationship in which both partners benefit
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| niche | what a species does in its habitat to survive
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| parasitism | symbiotic relationship that benefits one species and harms the other
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| predator | organism that gets energy from making its own food
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| symbiosis | close, long-term relationship between two species that usually involves exchange of food and energy
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
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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.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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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Created by:
SSmith01
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