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Discovering Cells. Key Terms. Cell Microscope Cell theory Define these Cornell style in your interactive notebooks http://cellsalive.com/. An overview of Cells. You are made of Cells CELLS ARE THE BASIC UNITS OF STRUCTURE AND FUNCTION IN LIVING THINGS
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Key Terms • Cell • Microscope • Cell theory • Define these Cornell style in your interactive notebooks • http://cellsalive.com/
An overview of Cells • You are made of Cells • CELLS ARE THE BASIC UNITS OF STRUCTURE AND FUNCTION IN LIVING THINGS • Cells form the parts of an organism and carry out all its functions
What are some functions that cells perform in living things? • Cells get oxygen • Get rid of wastes • Obtain food • Grow
Robert Hooke • One of the 1st people to observe cells • Observed cork cells under the microscope • Reminded him of the “cells” monks used in monasteries • The word cell means “small room”
Anton Van Leeuwenhoek • Another scientist observing tiny objects under microscopes • He observed lake water, scrapings from his teeth and gums, water from rain gutters, and tiny, moving organisms that he named animalcules
Cell Theory • The Cell Theory states the following (write down): • All living things are composed of cells • Cells are the basic units of structure and function in living things • All cells are produced from other cells