Question

Which among the following is the common feature between ostrich and penguin?

• A. They cannot fly.
• B. They have four-chambered hearts.
• C. They are warm-blooded.
• D. All of the above

Answer 1

The correct option is D All of the above

Ostrich and penguin belong to the class Aves. These birds have wings but they cannot fly (ostrich is heavy and the wings of penguins have evolved for swimming).

These are complex organisms and therefore, have four-chambered hearts and are warm-blooded.
Thus, the correct answer is option D.