Chapter 18.3 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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| producer | autotrophs that capture energy and use it to make organic molecules
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| chemosynthesis | they use energy stored in inorganic molecules to produce carbohydrates
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| gross primary productivity | the rate at which producers in an ecosystem capture the energy of sunlight by producing organic compounds
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| biomass | the organics material that has been produced in an ecosystem
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| net primary productivity | the rate at which biomass accumulates
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| consumer | heterotrophs that obtain energy by consuming organism molecules made by other organisms
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| herbivore | eat producers/plants
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| carnivore | eat other consumers/meat
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| omnivore | eat both producers and consumers/plants and animals
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| detritivore | are consumers that feed on the "garbage" of an ecosystem (organisms that have recently died, fallen leaves, animal wastes)
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| decomposer | they cause decay by breaking down complex molecules into simpler molecules (fungi and bacteria)
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| trophic level | indicates the organism's position in a sequence of energy transfers
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| food chain | a single pathway of feeding relationships among organisms in an ecosystem that results in energy transfer
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| food web | the interrelated food chains in an ecosystem
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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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