Science Ch.7 vocab
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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| the parts of Earth where and the surrounding astomosphere where there is life | biosphere
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| all the populations of different species that live together at the same time | community
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| all the organisms of the same species in the same place at the same time | population
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| the demand for resources, such food, water, and shelter in short supply in a community | competition
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| anything that restricts the size of a population | limiting factor
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| the size of the populationcompared to the amount of space available | population density
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| potential growth of a population if could grow in perfect conditions with no limiting factors | biotic potential
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| largest number of individuals of one species that an eviroment can support | carrying capacity
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| birth rate | the number of offspring over a given period of time
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| death rate | the number of individuals that die of the same time period
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| extinct species | species that has died out and none are left
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| endangered species | species at danger of being extinct
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| threatend species | a species at risk, but not yet endangered
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| instinctive seasonal movementof a population of organisms from one place to another | migration
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| the place within an ecosystem where an organism livies | habitat
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| what a species does in its habitat to survive | niche
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| organisms that get energy from the enviroment, such as sunlight and make their own food | producers
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| organism that get their energy by eating other organims | consumers
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| close, long-term relationship between two species that usually involves an exchange of food or energy | symbiosis
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| symbiotic relationship with both partners benifit | mutualism
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| symbiotic relationship that one species benifits and the other is neither harmed nor helped | commensalism
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| symbiotic relationship that benifits one but one is harmed | parasitism
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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.
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.
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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