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Safety and Cell Theory Test Review

Safety and Cell Theory Test Review. Test Date: Thursday, September 11, 2014. 1. Levels of Organization in Living Things C T O S O. Examples:. ell issue rgan ystem rganism. red blood cell, brain cell muscle tissue, cardiac tissue heart, brain, stomach

mark-olsen
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Safety and Cell Theory Test Review

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  1. Safety and Cell Theory Test Review Test Date: Thursday, September 11, 2014

  2. 1. Levels of Organization in Living Things C T O S O Examples: ell issue rgan ystem rganism red blood cell, brain cell muscle tissue, cardiac tissue heart, brain, stomach circulatory system, nervous system dog, hawk, person • C • T • O • S • O

  3. 2. Regions of the Body [ ] TRUNK HEAD chest & abdomen brain & sense organs LIMBS NECK arms & legs food pipe & wind pipe

  4. 3. Cell Theory • All living things are composed of cells. • Cells are the basic unit of structure (part) and function (job) in living things. • All cells are produced (made) from other cells.

  5. 4. Scientists and their contributions • Studied cork under a microscope • Saw that cork was made of billions of cells • Cells are the basic unit of structure and function of living things. • Made his own microscopes and lenses • Observed pond water and tooth scrapings and saw tiny living organisms • First person to see bacteria • Concluded that all plants are made of cells

  6. 4. Scientists, continued • Concluded that all animals are made of cells • Studied cells and disease • Founded the basis of modern cellular pathology (the study of disease) • Believed disease occurs when healthy cells are altered or disturbed • Found that maggots in rotting meat came from flies—showed that living things do not come from nonliving things • First to use controls in an experiment

  7. 5. Prokaryote vs. Eukaryote Eukaryotes Prokaryotes No organelles reproduce Organelles No membrane nucleus respond to environment Defined nucleus Bacteria unicellular Multicellular grow Big Idea: Pro rhymes with No! There is no nucleus Euk rhymes with nuc! There is a nucleus

  8. If Cells Had Lockers… Prokaryote Eukaryote

  9. 6. Parts of Cells and their Functions Traps sunlight for photosynthesis Plant only Both Storage for food, water, waste products Both Stores and releases energy

  10. 6. Parts of Cells and their Functions Surrounds the cell; allows materials to enter and exit Both Gives the plant cell support and protection Plant only Gel-like substance that fills the cell and supports the other organelles Both Both Controls the functions of the cell; contains the DNA

  11. 7. Important Rules of Graphing Give the graph a title Label the y axis state what units you are using Use appropriate scales for each axis Label the x axis

  12. 8. Safety Rules NO! YES! Please know all your lab safety rules!

  13. 9. Which graph belongs with this data table? • Graph D! Mass (kg) Farm Animal

  14. Tips to remember for graphing: Pie graphs for Percentages Bar graphs for comparing Line graphs for change 2 or more over time

  15. Study and you’ll be fine. I believe in you!

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