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=Chapter 3, Section 1 Cells= =//**Essential Question: Why are Cells called the Fundamental Unit of Life?**//= //**What do you think of when you hear the word CELL?**//

Key words:

 * single-celled organisim
 * multicellular organisms
 * Robert Hooke
 * Cells
 * Replicate
 * Cell Theory

Levels of Organization in a multicellular organisim History of Cell and Cell Theory Robert Hooke was the first person to observe and describe cells. In 1665, he was looking at cork through a simple microscope and noticed round chambers, They reminded him of rooms so he called them cells, from the latin word //cella// meaning "small rooms". After his discovery scientists started to study cells and replicate (copy) the work that he did. With the improvement of microscoped scientists were able to study more cells and their research eventuall led to the Cell Theory. CELL THEORY: YOU BETTER REMEMBER THIS FOR THE REST OF YOUR LIFE!!!!!!!!!!!!!!!!!!
 * 1) cell
 * 2) tissue
 * 3) organ
 * 4) system
 * 5) organisim
 * 1) ALL LIVING THINGS ARE MADE OF CELLS
 * IS A TREE MADE OF CELLS? WHAT ABOUT A ROCK?
 * 1) CELLS ARE THE BASIC UNITS OF STRUCTURE AND FUNCTION IN AN ORGANISM
 * THIS MEANS THAT CELLS ARE THE SMALLEST UNITS OF AN ORGANISM THAT CARRY OUT THE LIFE PROCESS
 * OBTAIN FOOD, GET RID OF WASTE, CARRY OUT GAS EXCHANGE, REPRODUCE
 * 1) CELLS REPRODUCE __//**THEMSELVES**//__ TO FORM OTHER CELLS.
 * CELL DIVISION (MITOSIS, MEIOSIS)