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Which of the following organisms is correctly paired with its specific anatomical or physiological feature?

Options

  1. ANeophron - Pneumatic bones
  2. BExocoetus - Placoid scales
  3. COrnithorhynchus - Viviparous development
  4. DCrocodilus - Three-chambered heart

Correct answer

A. Neophron - Pneumatic bones

Step-by-step solution

Neophron (Vulture) belongs to the class Aves. Members of this class possess long bones that are hollow with air cavities, known as pneumatic bones. Exocoetus (Flying fish) belongs to the class Osteichthyes (bony fishes), which have cycloid or ctenoid scales. Placoid scales are a characteristic of Chondrichthyes (cartilaginous fishes). Ornithorhynchus (Platypus) belongs to the class Mammalia, but it is a notable exception as it is an oviparous (egg-laying) mammal, not viviparous. Crocodilus (Crocodile) belongs to th

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