chapter 2 science vocabulary
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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| living thing | organism
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| basic unit of structure and function in an organism | cell
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| single-celled organism | unicellular
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| composed of many cells that are specialized to do certain things | multicelleuler
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| a change in an organism's surroundings that cause the organism to react | stimulus
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| an action or change in behavior | response
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| mistaken idea that living things can arise from nonliving sources | spontaneous generation
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| organisms that make their own food | autotroph
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| organisms that cannot make their own food | heterotroph
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| the maintenance of stable internal conditions | homeostasis
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| process of grouping things based on their similsrities | classification
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| scientific study of how living things are classified | taxonomy
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| 2 part naming system (genus and species) | binomial nomeclature
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| classification grouping that contain similar, closely related organism.(HOMO sapien) | genus
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| group of similar organisms that can that mate with each other and produce offspring that can also mate and reproduce(homo SAPIENS) | species
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| organisms that lack a nucleus | prokaryte
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| dense area in a cell that contains nucleic acids | nucleus
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| organisms with cells that contain a nucleus | eukaryote
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| basic units of structure and function | cell
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| instruments that make smaller objects appear larger | microscope
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| widely accepted explanation of the relationship between cells and living things | cell theory
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| small structures in a cell | organelle
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| rigid layer of nonliving material that surrounds the cells of plants and some other organisms | cell wall
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| forms the outside boundary that separates the cell from its environment(controls what comes in and out of the cell) | cell membrane
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| region between the cell membrane and nucleus | cytoplasm
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| powerhouse of the cell because they convert energy in food molecules into energy the cell can use to carry out its functions | mitochondria
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| passageways carry proteins and other materials from one parts of the cell to another | endoplasmic reticulum
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| small,grain-like bodies. they are the factories to produce proteins | ribosome
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| cells mailroom. receives protein and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell. | golgi body
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| captures energy from sunlight and uses it to produce food for the cell. | chloroplast
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| storage area of a cell. | vacuole
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| small, round structures containing chemicals that break down certain materials in the cell. | lysome
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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.
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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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