Unit+4+The+Cell+and+its+Environment

=__**LEARNING OBJECTIVES:**__=
 * Students will examine the structure and selective permeability of the plasma membrane.
 * Students will conduct an experiment to test selective permeability.
 * Students will contrast passive and active forms of cellular transport including diffusion, osmosis, and active transport.
 * Students will experiment to understand factors that affect water movement (osmosis) in organisms

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