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From Cells to Organisms

From Cells to Organisms. From Cells to Organisms. unicellular. organism. multicellular. tissue. organ. organ systems. unicellular. multicellular. organism. How are living things organized?. How are living thins organized?.

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From Cells to Organisms

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  1. From Cells to Organisms From Cells to Organisms unicellular organism multicellular tissue organ organ systems

  2. unicellular multicellular organism How are living things organized? How are living thins organized? unicellular (ū΄nə sel΄ū lər) Made up of only one cell. multicellular (mul΄tē sel΄ū lər) Made up of more than one cell. organism (ôr´gə niz´əm) An individual living thing.

  3. tissue organ organ system How do cells work together? tissue (tish΄ü) A group of similar cells that work together to do the same job. c organ (ôr΄gə n) A group of tissues that work together to perform a specific bodily function. organ system cell tissue organ organism organ system (ôr΄gə n sis΄təm) A group of organs that work together to perform a specific bodily function.

  4. What are some plant and animal organ systems? skeletal system root system

  5. Review Main Idea How are multicellular organisms organized? Multicellular organisms have different levels of organization. Cells that work at the same job group into tissues. Tissues work together as organs to carry out a specific bodily function. Organs work together in organ systems to carry out an organism’s life processes.

  6. Review Main Idea What are multicellular organisms made up of? Multicellular organisms are made up of cells, tissues, organs, and organ systems.

  7. Review Compare and Contrast How are a diatom and a frog alike? How are they different? Different Alike Different A frog carries out its life processes in many different cells. A diatom carries out its life processes in one cell. They are both living organisms.

  8. Review Vocabulary Match each word with its definition. organ system tissue unicellular organism organ multicellular A) an individual living thing B) a group of similar cells that work together to do the same job C) made up of more than one cell a group of tissues that work together to perform a specific bodily function D) E) made up of only one cell a group of organs that work together to perform a specific bodily function F)

  9. Review Reading Charts What is respiration?

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