Micro E 1.1 Characteristics of Life 1. 2. 3. 4. Organize develop and grow respond to environment reproduce Needs of Life Energy, materials, and living space. *All living things are made of Cells. Unicellular- one cell Multicellular- many cells (see it). Microscope and the Discovery of Cells In the 1660’s- Robert Hooke first saw a cell in a microscope- he named it the cell because it looked like a jail cell. (looking at a piece of cork) Anton Von Leeuwenhokefirst one to see a living cell (in pond water). Cell Theory 1. Every living thing is made of one or more cell. 2. Cells carry out the functions of life. 3. Cells come from other cells. Louis Pasteur 1800’s- Louis Pasteur noticed that his beakers in the lab were growing mold. Because of exposure to air and Bacteria------ Before this, scientists believed in spontaneous generation- that the bacteria came from nowhere. (chicken broth) -Invented Pasteurization(boil it to kill microbes and seal it to protect from bacteria) Invented the cure for rabiesvaccine.