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

Choose the correct option:

Question

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

I. These are a subphylum of chordates that are 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.

Choose the correct option:

Quintessence Classes · Accepted Answer

The correct answer is All of the above. Here is why all three statements are correct:Statement I is correct: Vertebrates are indeed a major subphylum of the phylum Chordata. Their defining feature is the replacement of the embryonic notochord with a segmented bony or cartilaginous vertebral column (backbone).Statement II is correct: Vertebrates exhibit bilateral symmetry, meaning their bodies can be divided into identical left and right halves along a single central plane.Statement III is correct: The subphylum Vertebrata is diverse and traditionally divided into major classes that include fishes, amphibians, reptiles, birds, and mammals.Overview of Vertebrate ClassificationSymmetry: BilateralBody Cavity: Coelomate (true body cavity)Key Feature: Advanced central nervous system protected by a skull (cranium) and a backbone.

Answer

Only I

Answer

Only I and II

Answer

Only I and III

Answer & Explanation

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