The world’s largest bird is:

🧠 Explanation:

The world’s largest bird is the ostrich, known for its size and speed. For biology students, this highlights zoology, making it a key topic for studying animal diversity, avian biology, and ecology. Ostriches can’t fly but run fast. Understanding this clarifies bird adaptations. It’s essential for analyzing biology, zoology, and environmental science. Studying ostriches offers insights into how size aids survival, crucial for biology, ecology, and wildlife studies.