What does it mean to be living? Biology, or Life Science, focuses on the study of living things. From the smallest bacteria to the enormous blue whale, Biology explores how living things are made of cells that reproduce and grow over time. Cells, Protein Synthesis, Photosynthesis and Cellular Respiration, Moving Molecules, Cell Division, Macromolecules, and Enzymes are just a few tutorials found in Biology. What makes people sick and what keeps them healthy? Would you ever guess that you have a lot in common with a house plant? Learn how to compare and contrast Characteristics of Living Things and explore what we all have in common and what makes us unique. Learn about the life inside and all around you with Biology.