MTEL Biology 13 teacher certification exam - XAM MTEL Author:Sharon Wynne MTEL Biology 13 Includes a detailed overview of all content found on the MTEL Biology test and 125 sample-test questions. This guide, aligned specifically to standards prescribed by the Massachusetts Department of Education, covers the sub-areas of Scientific Inquiry, Cells and Cell Theory, Characteristics of Organisms, Human Biology, Principles... more » of Heredity and the Evolution of Life, and Matter and Energy in Ecosystems.« less