Biology

Genetics and DNA

The lesson introduces genetics, which is the study of heredity. Heredity is the characteristics offspring inherit from their parents. This lesson also examines Gregor Mendel’s theories of heredity and how they have affected the field of genetics. Gregor Mendel and Garden Peas From experiments with garden peas, Mendel developed a simple set of rules that …

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Cellular Reproduction

This lesson introduces basic processes of cellular reproduction and the division of cells.tion, and photosynthesis. These processes provide ways for cells to make new cells. Cell Reproduction Cells divide primarily for growth, repair, and reproduction. When an organism grows, it normally needs more cells. If damage occurs, more cells must appear to repair the damage …

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Cellular Reproduction, Cellular Respiration, and Photosynthesis

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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Cell Structure, Function, and Type

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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The Foundations of Biology

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. Biology and Taxonomy The study or science of living things is called biology. Some characteristics, or traits, are common to all living things. These enable researchers …

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The Scientific Method and Designing an Experiment

This lesson introduces the idea of experimental design and the factors one must consider to build a successful experiment. Scientific Reasoning When conducting scientific research, two types of scientific reasoning can be used to address scientific problems: inductive reasoning and deductive reasoning. Both forms of reasoning are also used to generate a hypothesis.  Inductive reasoning involves …

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