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Explore the features that distinguish living from non-living things such as cellular composition and the roles of cells. The Cell Theory emphasizes the significance of cells in life processes and their origin from pre-existing cells. Engage in classwork activities to deepen your understanding.
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Discuss with a partner the following question: Q: How can you identify living things from non-living things? Characteristics of Living Things
All living things are made up of at least one cell. • A cell is the basic structural and functional unit of all living things. • Some organisms consist of one cell (bacteria) and others trillions of cells (humans). The Cell Theory states the following: The Cell Theory 1. All living things are made of one or more cells. 2. The cell is the basic unit of life. 3. All cells come from pre-existing cells.
Classwork:1. Read/skim over section 4.1 and 4.2 in your textbook.2. Add examples from table 1 to your handout.3. Complete questions 1 and 2 from “Check Your Learning” at the end of section 4.1