'अनुकूलन' (Adaptation) का उदाहरण है:

उत्तर: (A) ऊँट में कूबड़ / Hump in camel — Adaptation = modification in body/behavior for survival. Camel: hump (fat storage), thick lips (thorny plants), padded feet (hot sand). Cactus: thick stems (water storage), spines (reduced leaves). Po...