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The notochord is a characteristic of the 9th & 10th division of the kingdom animalia ,i.e., Protochordata and Vertebra
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How does characteristic give vertebrates body flexibility?
Internal skeleton (back bone) has an notochord to make it flexible
Why are dugongs Phylum Cordata?
Dugongs are Phylum Chordata because they possess a notochord at some point in their development, which is a defining characteristic of the phylum. This notochord provides structural support for the body and is present in all chordates at some stage of their life cycle.
What is the main characteristic of chordate?
They are: a. a dorsal, hollow nerve chord b. a notochord c. pharyngeal gill slits d. and a post-anal tail
Is a frog in phylum cordata?
No, frogs belong to the phylum Chordata. This phylum includes animals with a notochord at some stage of their development, which is a defining characteristic of chordates.
The firm flexible rod found in the dorsal area in chordates?
Notochord.
Why does a Iguana Belong to a chordata phylum?
Iguanas belong to the phylum Chordata because they possess a notochord at some stage of their development, either in their embryonic or adult form. The notochord is a flexible rod-like structure that provides support and structure to the body. This is a defining characteristic of the Chordata phylum.
Do cats exhibit a notochord at some stage of its development?
You did. Your backbone formed on the notochord. There are some fish, the lamprey, I think, that retain a notochord, These animals are chordates but not vertebrates.
How to get chordoma?
A chordoma is a rare type of cancer that develops from the notochord. The notochord forms the early spine in a foetus as it develops inside the womb. After about six months, most of the notochord is replaced by the bones of the spine. However, small amounts of the notochord may remain, and these can sometimes develop into a chordoma.
Is a lamprey a chordata or a non-chordata?
A lamprey is a chordata. Lampreys belong to the subphylum Vertebrata within the phylum Chordata, as they have a notochord, dorsal nerve cord, and other characteristic features of chordates.
Is an animal with a backbone and gills but no notochord still a chordate?
No, an animal with a backbone and gills but no notochord would not be considered a chordate. Chordates are defined by the presence of a notochord at some stage of their development, along with a dorsal nerve cord, pharyngeal slits, and a post-anal tail.
What has the author James Musgrove written?
James Musgrove has written: 'Persistence of the notochord in the human subject' -- subject(s): Notochord
What happens to the notochord as a bat develops?
During the development of most vertebrates, the notochord becomes the nucleus pulpous. In some species, such as the sturgeon and hagfish, the notochord remains even after adulthood is reached.
