How is the Zebra Mussel's shell profile described when viewed from the top compared to the Quagga mussel?
Answer
Sharply angled
One key morphological characteristic used to differentiate zebra mussels from quagga mussels involves viewing the shell profile from above. The zebra mussel exhibits a profile that is described as sharply angled due to its general D-shape and tendency to press its flatter side against surfaces. Conversely, the quagga mussel is more rounded, resulting in a profile that appears more smoothly curved when viewed from this perspective, differentiating it visually from its invasive counterpart.
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