Chapter 18.4 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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| biogeochemical cycle | how substances such as water, carbon, nitrogen, calcium, and phosphorus pass between the living and nonliving worlds
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| groundwater | water in the soil or in underground formations of porous rock
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| water cycle | the movement of water between various reservoirs
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| transpiration | the process of most water that evaporates from terrestrial ecosystems passing through plants
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| carbon cycle | Photosynthesis and cellular respiration form the basis of this short term
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| nitrogen cycle | the complex pathway that nitrogen follows in an ecosystem
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| nitrogen fixation | the process of converting N2 gas to nitrate
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| nitrogen-fixing bacteria | most organisms rely on this ; it transforms nitrogen gas into a usable form
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| ammonification | the process of decomposers breaking down materials like dead bodies, poop, and pee and releasing the nitrogen that contain as ammonia, NH3, which in soil becomes NH4
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| nitrification | the process of soil bacteria taking up ammonium and oxidizing it into nitrites, NO2-, and nitrates, NO3-
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| denitrification | the way that nitrogen it returned to the atmosphere
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| phosphorus cycle | the movement of phosphorus from the environment to organisms and then back to the environment
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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.
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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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