TEKS 7.12 Word Scramble
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| Term | Definition |
| cell | the smallest structural and functional unit of an organism |
| tissue | a group of cells working together to perform a specialized function |
| organ | a group of tissues that work together to perform specific job |
| organ system | a group of organs that are working together for a specific function |
| organism | any living thing |
| organelle | a membrane bound structure inside of a cell that has a specific job |
| nucleus | a membrane-bound structure in eukaryotic cells, the 'brain' of the cell, controls cellular activity and contains the DNA |
| cell wall | A tough, protective barrier that surrounds the outer membrane of some types of cells. |
| cell membrane | A lipid barrier that encloses the cytoplasm and controls what enters and exits the cell. |
| cytoplasm | the jelly-like substance contained within the cell membrane that fills the cell and holds the organelles in place |
| chloroplast | an organelle found only in plant cells, site of photosynthesis |
| mitochondrion | the power factory of the cell, source of energy production |
| vacuole | A large, water filled organelle present in all plant and fungal cells and some animal and bacterial cells. |
| cell theory | first stated by Matthias Schleiden and Theodor Schwann in 1838–39, that cells are the basic units of structure and function in living organisms. |
| autotroph | any organism capable of self-nourishment by using photosynthesis as a source of energy, most plants |
| heterotroph | capable of utilizing only organic materials as a source of food. |
| unicellular | single celled organisms; examples - bacteria, amoeba, paramecia |
| multicellular | organisms made of many cells; examples - plant, frog, tiger, onion, human |
| lysosome | An organelle that contains enzymes capable of breaking down many types of molecules. |
| photosynthesis | A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction converts carbon dioxide and water into sugar (glucose). 6CO2 + 6O2 ------------> C6H12O6 + 6O2 |
| cellular respiration | The process of obtaining energy from the breaking of chemical bonds in nutrients. Cell Food + O2 ---------> ENERGY + CO2 |
Created by:
MrsWalls
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