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Cooperative Grouping: Ideas for Effective Classroom Practice

Author(s): Nancy Moreno, PhD, Barbara Tharp, MS, Deanne B. Erdmann, MS, Sonia Rahmati Clayton, PhD, and James P. Denk, MA
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Most Organisms are Single-Celled

Help students to make connections between the plant cells they just observed and other kinds of cells. Ask for examples of other organisms that consist of many cells (multicellular organisms). 

Like plants, animals are multicellular and have specialized cell types for different functions. Members of other groups, such as fungi and protists, may be single-celled (unicellular) or multicellular. Bacteria and related groups are exclusively unicellular.

Most organisms on Earth are unicellular and microscopic. Each tiny cell is capable of independent life and exhibits the following properties of living things: specialized structure; hereditary information that is passed to the next generation; adaptation to the environment as a result of natural selection; responsiveness to the environment; ability to process energy; regulation of an internal environment that is different from external environment; growth and development; and reproduction.

Have student groups revisit their concept maps and add information.