What is the primary adaptive function attributed to the dense, dark coloration of the Western lowland gorilla's fur?
Answer
Insulation against cool, damp environments
The Western lowland gorilla resides in environments characterized by dense equatorial rainforests that are often cool and notably damp. The fur covering these apes is dense and dark, usually appearing black or dark brown. This thick coat provides crucial thermal regulation, acting as insulation to help maintain core body temperature against the persistent humidity and cooler temperatures inherent to their shaded, wet habitat. While camouflage is a passive benefit, the primary role emphasized is protection from environmental thermal stress.
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