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Biology, Other Sciences

6th -

8thgrade

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Cell Processes

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    All cells need to maintain ______________ to function (stay alive).

    Reproduction

    Homeostasis

    Photosynthesis

  • 2. Multiple Choice
    30 seconds
    1 pt

    Identify basic examples of homeostasis.

    Balanced rate of absorbing and using food + oxygen

    Steady regulation of heart rate and body temperature

    Movement of water molecules through a cell membrane

  • 3. Multiple Choice
    30 seconds
    1 pt

    Osmosis is the movement of water molecules through a cell membrane. Why does this help maintain homeostasis?

    All cells need a particular amount of water to live

    Too much or little water can damage or kill a cell.

    Cells don’t need to regulate how much water they have.

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