Question: The ground spider Drassodes cupreus, like many spiders, has several pairs of eyes. It has been discovered that one of these pairs of eyes acts

The ground spider Drassodes cupreus, like many spiders, has several pairs of eyes. It has been discovered that one of these pairs of eyes acts as a set of polarization filters, with one eye's polarization direction oriented at 90° to the other eye's polarization direction. In addition, experiments show that the spider uses these eyes to aid in navigating to and from its burrow. Explain how such eyes might aid navigation.

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