What happens to wild rice plants if the water is too deep during the floating leaf stage?

• A. They sink to the bottom and thrive
• B. The buoyancy of the young wild-rice plants can uproot them from the lake bottom, destroying them.
• C. They flower earlier
• D. They grow taller and stronger

Answer: (B)

During the floating-leaf stage, young wild rice relies on buoyancy to keep its leaves at the surface while the roots stay anchored to the lake bottom. If the water is too deep, the upward buoyant force can lift the plant enough to pull it out of the substrate, destroying it. It’s not about sinking and thriving or flowering earlier; the depth creates lift that disrupts anchorage, leading to loss of the plant.