Question

Mention the characteristic features of Chordates. (2 Marks)

Answer 1

The organisms which possess vertebral column/ backbone in their lifetime are known as chordates. (1 Mark)

Characteristics of chordates:

• They possess a notochord. (0.25 Mark)
• They possess a dorsal nerve chord. (0.25 Mark)
• They possess pharyngeal gill slits. (0.25 Mark)
• They possess a post-anal tail. (0.25 Mark)