Vocab Chapter 13
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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| ecology | study of the interactions among living things and their surroundings
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| community | collection of all of the different populations that live in one area
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| ecosystem | collection of organisms and nonliving things, such as climate, soil, water, and rocks, in an area
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| biome | regional or global community of organisms characterized by the climate conditions and plant communities that thrive there
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| biotic | living things, such as plants, animals, fungi, and bacteria
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| abiotic | nonliving factor in an ecosystem, such as moisture, temperature, wind, sunlight, soil, and minerals
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| biodiversity | variety of life within an area
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| keystone species | organism that has an unusually large effect on its ecosystem
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| producer | organism that obtains its energy from abiotic sources, such as sunlight or inorganic chemicals
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| autotroph | organism that obtains its energy from abiotic sources, such as sunlight or inorganic chemicals
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| consumer | organism that obtains its energy and nutrients by eating other organisms
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| heterotroph | organism that obtains its energy and nutrients by consuming other organisms
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| chemosynthesis | process by which ATP is synthesized by using chemicals as an energy source instead of light
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| food chain | model that links organisms by their feeding relationships
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| herbivore | organism that eats only plants
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| carnivore | organism that obtains energy by eating only animals
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| omnivore | organism that eats both plants and animals
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| detritivore | organism that eats dead organic matter
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| decomposer | detritivore that breaks down organic matter into simpler compounds, returning nutrients back into an ecosystem
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| specialist | consumer that eats only one type of organism
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| generalist | species that does not rely on a single source of prey
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| trophic level | level of nourishment in a food chain
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| food web | model that shows the complex network of feeding relationships within an ecosystem
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| hydrologic cycle | pathway of water from the atmosphere to Earth's surface, below ground, and back
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| biogeochemical cycle | movement of a chemical through the biological and geological, or living and nonliving, parts of an ecosystem
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| nitrogen fixation | process by which certain types of bacteria convert gaseous nitrogen into nitrogen compounds
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| biomass | total dry mass of all organisms in a given area
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| energy pyramid | diagram that compares energy used by producers, primary consumers, and other trophic levels
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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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