Biology

This lesson introduces basic processes including cellular reproduction and division, cellular respiration, and photosynthesis. These processes provide ways for cells to make new cells and to convert energy to and from food sources. Cell Reproduction Cells divide primarily for growth, repair, and reproduction. When an organism grows, it normally needs more cells. If damage occurs, …

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This lesson describes the cell structure and two different types of cells. The lesson also explores the functions of various cell parts. Cell Theory and Types All living things are made of cells. Cells are the smallest structural units and basic building blocks of living things. Cells contain everything necessary to keep living things alive. Varying in …

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This lesson introduces the basics of biology, including the process researchers use to study science. It also examines the classes of biomolecules and how substances are broken down for energy. *There is no review video for this section. Each topic discussed will be further expanded upon in upcoming lessons with review videos that cover the …

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