No. They have a very simple nervous system that includes neither of these features. Hence, they are not chordates.
The notochord is a characteristic of the 9th & 10th division of the kingdom animalia ,i.e., Protochordata and Vertebra
A notochord is a long, solid chord of solid protein. A vertebrate is a creature that has a vertebra column. A vertebra is short, solid segment of bone. A series of vertebra make a vertebra column or a back bone. Both serve the same function but the back bone is a more complex version.
The vertebrae are the bones in the vertabral column of backbone that protects the spinal chord and suppots the body. The notochord on the other hand is a mesodermal strucutre of the foetus. It stimulates the induction and differntiation of many hings including the basal plate of the neural tube.
Yes jellyfish are qualified to be invertebrates. Yes they are all invertebrates they don't even have brains and they are 95% water.The jelly fish do not have bones, if that is what you're asking. So no they don't have a vertebra. That makes them invertebrates.
Lanceletes are invertebrates, because they do not have any spine consisting of a chain of vertebra (vertebral column). They are however related to vartebrates being a mamber of the fylum (major animal group) chordates (chordata) of which also vertebrates (vertebrata) are a member. Instead of a vertebral column they have a rod at the same place made of robust connective tissue, a notochord. The spinal cord (nerve string) of this animal is not encased in this primitive spine, but lies posterior to it. This notochord later developed to a spine consisting of a chain of vertebra in the higher species. The early stages of the embryo of all vertebrates still have a notochord which during the fetal development gives rise to a real spinal column.
notochord
YesIt is true that humans have notochords, however, this is true only when we are a developing embryo (we lose the this post-embryonic structure as adults). The notochord, being the stiff, supportive rod-like structure that it is, allows for us as vertebrates, to develop vertebrae. After the age of four, humans actually do have leftover PIECES of the notochord, which athletes may recognize as disks in between each vertebra within our spine.Here is a useful link!notochord
Cervical vertebra
A kangaroo is a vertebra.
The seventh cervical vertebra is called as vertebra prominens. This vertebra has the long and prominent spine. This spine can be felt at the joint of the neck and thorax.
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.
The c5 vertebra is located in the lower part of the neck, just below the c4 vertebra. The c4 vertebra is slightly higher up in the neck compared to the c5 vertebra.