لماذا تغير الأفعى جلدها؟

27 ديسمبر 2012

لماذا تغير الأفعى جلدها؟

تغير الأفعى جلدها لسببين ؛ الأول أن تسمح لنفسها بالنمو كما أنها تقوم من خلال هذا التغيير بالتخلص من الطفيليات على جسدها التي تعلق فيها خلال موسم كامل.

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