Discovering Cells p 80 85 All living things

Discovering Cells p. 80 -85

• All living things are made of cells, from one to many trillions!

2. What is a cell? • The basic unit of structure and function in living things. - like bricks of a house

How does a cell wrap a sandwich? • In cell-ophane, of course!

3. What do structure and function mean? Structure Function What it is made of What it does

4. How are all cells similar? • All cells have the same basic structures. • All cells carry out the same basic functions of life. CELLs Babies » » Take in Oxygen Get rid of waste Grow REPRODUCE (eat) (poop) (grow up get Ph. D) (reproduce)

• What are cells? the basic units of structure and function in living things.

5. What made it possible to discover cells? • The invention of the microscope!

6. Who discovered cells? • Robert Hooke 1665 “Father of Microscopy” viewed a thin piece of cork appeared as rectangular rooms and called them “cells. ”

• Anton Van Leeuwenhoek 1683 viewed drop of pond water saw unicellular organisms and called them “animalcules. ”

7. What are three main ideas of the cell theory? 1. All living things are made of cells 2. Cells are the basic units of structure and function in living things. 3. All cells are produced from other cells.

• Where do the cells of the caterpillar come from? From other cells!

8. What is a unicellular organism? • An organism made up of only one cell. • Uni = one

9. What is a multicellular organism? • An organism made up of many cells • Multi = many