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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periods | eras are subdivided into periods
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epochs | periods are subdivided into epochs
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mass extinction | the extinction of many species on Earth within a short period of time
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land bridge | connects two continents that were previously separated
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eons | the longest unit of geological time
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eras | eons are subdivided into eras
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geographic isolation | the separation of a population of organisms from the rest of its species
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cell theory | all living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from preexisting cells
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macromolecules | form by joining many small molecules together
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nucleic acids | macromolecules that form when long chains of molecules called nucleotides join tofether
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proteins | long chains of amino acid molecules
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lipid | large macromolecule that dose not dissolve in water
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carbohydrates | one sugar molecule, two sugar molecules, or a long chain of sugar molecules
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cell membrane | flexible covering that protects the inside of the cell from the environment outside the cell
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cell wall | stiff structure outside the cell membrane
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cytoplasm | fluid inside the cell that contains salts and other molecules
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cytoskeleton | a network of threadlike proteins that are joined together
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organells | specialized functions
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nucleus | part of a eukrayotic cell that directs cell activities and contains genetic information stored in DNA
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chloroplasts | are membrane-bound organelles that use light energy and make food--a sugar called gluecose--form water and carbon dioxide in a process known as photosynthesis
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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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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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Created by:
patedor8182
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