Hank explains that biological molecules are essential sources of energy. They are used for energy storage and are the instructions that help organisms grow. Biological molecules are found in carbohydrates, lipids, and proteins. Hank uses biological molecules to explain why humans don't eat grass and how humans get energy from bread. Key Words: Sugars, Monosaccharides, Glucose, Fructose, Disaccharides, Sucrose, Polysaccharides, Cellulose, Glycogen

Hank shows us how humans classify groups of biological organisms based on their similar characteristics.

Hank explains active and vesicular transport then covers how cells regulate their contents and provide means to transport mechanisms.

Hank explains the way in which organisms grow and develop. He covers how to determine the complexity of an organism and illustrates that the digestive tract is the first part of the organism that develops. Key Words: Animal Phyla, Layers of Tissue, Zygote, Cleaving, Blastula, Radial Symmetry, Bilateral Symmetry, Gastrulation, Gastrula, Deuterostome, Germ Layers, Ectoderm, Endoderm, Diploblastic, Triploblasts, Mesoderm

Hank provides an overview of the function of the Endoplasmic Reticulum (ER), Ribosomes, Golgi Apparatus, and Lysosomes. He covers the two different types of ER, smooth and rough, and explains how all of these organelles work together.