What would occur to the preferred habitat of your plant

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What would occur to the preferred habitat of your plant

Q1. What would occur to the preferred habitat of your plant (Red Maple) in case of partial water drainage of the Mer bleue marsh (such as the water level would go down half the depth of the marsh)?

Q2. A friend of yours just discovered that her total blood cholesterol was 215 mg/dl. She knows that you are currently enrolled in an anatomy and physiology course and asks you to understand her results. How will you categorize her cholesterol level, and what advice would you give her?