Life Science Chapter 23
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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| renewable resource | Always available or able to make more in reasonable time.
-Sun,Wind,H2O,Trees
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| non renewable resource | Resource that cannot be renewed in reasonable time.
EX-Fossil fuel-Oil,Gas,Coal
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| pollution | Contamination of Land,Air,H2O.
-Chemicals,Non biodegradable Trash,Light,Sound
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| environmental science | The study of the natural processes in the environment and how humans impact it.
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| clear cutting | Cut down all trees in one area all at the same time.
-Quick -Safer -Cheap
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| selective cutting | Pick trees to be removed and leave behind a variety of species of different sizes. -Less damaging
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| sustainable yield | The amount of the resources you can remove W/O damaging future generations.
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| fisheries | An area which contains a variety of valuable ocean resources NOT UNLIMITED supply. - 70% of worlds fisheries are over fished.
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| overfishing | Removing fish from ocean faster than they can reproduce.
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| aquaculture | Sea Farming - Raising fish in artificial pound or bay for food sources. - Can disease wild population
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| biodiversity | A variety of different species in a given area.
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| keystone species | A species that provides a food source for many other species.
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| most diverse ecosystem in the world | tropical rain forests
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| second most diverse ecosystem in the world | coral reefs
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| endangered species | species in danger of becoming extinct in the near future
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| threatened species | species that could become endangered in the near future
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| poaching | the illegal killing or removing of wildlife from their habitats
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| extinct | the disappearance of all members of a species from Earth
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| habitat fragmentation | breaking larger habitats into smaller isolated pieces or fragments
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| niche diversity | The diversity of functions an organism can hold in its environment, and the diversity of habitats in which it can live.
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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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