Question

3 points difference between chordate and non chordate.​

Answer 1

$\huge\mathfrak{Answer}$

Difference Between Chordates and Non chordates :

The animal has a cord or backbone in their body structure are chordates. Contrary, Non-chordates are the animals without backbone or notochord, this the vital difference between chordates and non-chordates is that the.

These animals belong to the different phyla of the animal kingdom. Also being same at the multicellular level, there is a lot of difference between patterns of organization of cells in this kingdom. Lower animals like coelenterates, sponges differ in cellular level of organization, at the organ level (radial and bilateral) Platyhelminthes and other members differ.

While higher animals like arthropods, annelids, mollusks, comes under Non-chordate and Aves, Reptiles, mammals fall under chordates, they all differ in some of their special physiological function and other unique features like body symmetry, digestive, circulatory or reproductive system, etc.

The design of classifying, the animal kingdom is broadly divided into several major groups called phyla. Till yet there are approximately 30 animal phyla recognized. The last and the major group of the animal kingdom was the phylum Chordata.

Answer 2

Answer:

Chordates -

• Notochord is present in embryonic stage.
• The central nervous system is dorsal, hollow and single.
• The pharyngeal gill slits are present.
• Ventral heart present.
• A post anal tail is present

Non-chordates -

• Notochord is absent.
• The central nervous system is ventral, solid and double.
• The pharyngeal gill slits are absent.
• Heart if present is dorsal.
• Tail is absent.