Which of the following statements is/are correct with respect to Vertebrates? I. These are a subphylum of chordates characterized…

Question

Which of the following statements is/are correct with respect to Vertebrates?

I. These are a subphylum of chordates characterized by the presence of a vertebral column or backbone.

II. They show bilateral symmetry.

III. It includes animals such as fish, amphibians, reptiles, birds and mammals.

1. A. Only I
2. B. Only I and II
3. C. Only I and III
4. D. All of the above (Correct answer)

Correct Answer

Option D — All of the above

Detailed Solution & Explanation

The correct answer is All of the above.

Key Points

• All three statements are correct.
• Vertebrates are a subphylum of Chordata, show bilateral symmetry, and include fish, amphibians, reptiles, birds, and mammals.