In this article we will discuss about Phylum Chordata:- 1. Meaning of Phylum Chordata 2. Important Features of Phylum Chordata 3. Non-Chordates 4. Ancestry 5. Outline Classification. Contents: Meaning of Phylum Chordata Important Features of Phylum Chordata Chordate Features Shared by the Non-Chordates Ancestry of Phylum Chordata Outline Classification of Phylum Chordata 1. Meaning of […]
The upcoming discussion will update you about the difference between stomochord and notochord. Difference # Stomochord: 1. The stomochord arises as an out pocketing from the roof of the embryonic gut, anterior to the pharynx. 2. Endodermal derivative. 3. It has a narrow lumen, opening into the pharynx. 4. The wall of the lumen is […]
In this article we will discuss about the meaning and classification of phylum hemichordata. Meaning of Phylum Hemichordata: The animals with notochord constitute the Phylum Chordata. It has a major subdivision, called the Vertebrata or Craniata for possession of vertebral column or cranium. The rest of chordates, namely Hemichordata, Urochordata and Cephalochordata are collectively called […]
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