52. This protist is a member of the genus, Euglena. It maintains homeostasis through its contractile vacuoles which expells excess water. Active transport uses cell energy to move materials of lower concentration to higher concentration. Passive transport allows substances to move across membranes without any input of energy from the cell.
Thursday, June 10, 2010
Item 52 (Plant-like protist)
52. This protist is a member of the genus, Euglena. It maintains homeostasis through its contractile vacuoles which expells excess water. Active transport uses cell energy to move materials of lower concentration to higher concentration. Passive transport allows substances to move across membranes without any input of energy from the cell.
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