What physical constraint makes the Virgin Islands Dwarf Gecko susceptible to desiccation?
Answer
High surface area-to-volume ratio
Due to their incredibly small size, these geckos have a very high surface area-to-volume ratio. This physical trait makes them prone to rapid water loss, creating a constant struggle to regulate their hydrological environment. Consequently, they must remain in damp, shaded, or covered microhabitats to prevent fatal dehydration.
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