Question

One of the primary characters of chordates is (1)Ganglionated nerve cord (2)Paired nerve cord (3)Solid ventral nerve cord 4)Dorsal hollow nerve cord

Answer 1

Answer:

Dorsal hollow nerve chord

Explanation:

Some of the characteristic features of Chordates is :

1. Presence of dorsal nerve chord
2. Presence of a paired gill pouch
3. Presence of a notochord

Answer 2

Answer:

The correct answer to the  question "-One of the primary characters of chordates is " is-

4)Dorsal hollow nerve cord

Explanation:

The presence of dorsal nerve chord is a characteristic feature of all chordates but this nerve chords is hollow is nature so that neuron can pass through and present below the dorsal part .

eg spinal chord.

 Characteristic feature of Chordates

• Most species within the phylum Chordata are vertebrates,
• or animals with backbones
• Examples of vertebrate chordates include fishes, amphibians, reptiles, birds, and mammals.

• Chordata of animals having at least at some stage of development a notochord,
• dorsally situated central nervous system is present
• they have gill slits and including the vertebrates, lancelets, and tunicates.
• phylum Chordata have notochord,
• pharyngeal slits, and a post-anal tail is present.