What is a controlled experiment? a. an experiment that uses carefully controlled conditions b. an experiment that is performed inside c. an experiment that has no manipulated variable d. an experiment that is controlled by a company

In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing:

Which statement best describes a typical difference that could be found between the “analysis” and “conclusion” sections of a lab report?

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.