0
The elaboration of a notochord and a dorsal nerve chord the key developmental event that marks the evolution of the chordates is referred to as?
Wiki User
∙ 9y ago
The elaboration of a notochord and a dorsal nerve chord the key developmental event that marks the evolution of the chordates is referred to as neurulation. The hollow crater formed during gastrulation is known as the archenteron.
Wiki User
∙ 9y ago
Add your answer:
Earn +20 pts
Write some characters common to both Chordates and non Chordates?
Notochord
Animals with a special rod or notochord are called?
chordates
Can chordates not have a notochord and still be what they are?
The presence of a notochord at some point in the organism's development is one of the characteristics that distinguishes chordates from other phyla. Without it, I'm not sure if the organism would be considered a chordate.
All chordates have a supportive rod along their back called the?
notochord
At some stage of their development all chordates have a supportive rod along their back called the?
Notochord
What character is unique to chordates?
a notochord.
The firm flexible rod found in the dorsal area in chordates?
Notochord.
Write some characters common to both Chordates and non Chordates?
Notochord
Animals with a special rod or notochord are called?
chordates
What is the definition of notochord?
Notochord- a flexible rod that supports a chordates back.notochord is a stuff rod of conective tissue.it is present in the mid_dorsal region of the embryo.in the lower chordates .the notochord is present throughout of life but in vertebrates .the vertebral column or bacjbone replaces it.
What is the flexible supporting structure found only in chordates?
The flexible, supporting structure found only in chordates is called the notochord. The notochord is located between the nerve cord and the digestive track.
Which animals are chordates and craniates but not vertabrates?
Hagfish are chordates and craniates, but they are not vertebrates. This is because they have a skull and notochord but lack vertebrae.
Can chordates not have a notochord and still be what they are?
The presence of a notochord at some point in the organism's development is one of the characteristics that distinguishes chordates from other phyla. Without it, I'm not sure if the organism would be considered a chordate.
Is chordates vertebrates?
Chordates are not vertebrates because although some vertebrates are chordates theres many reasons why chordates arent vertebrates.the first reason is because chordates consist of a notochord or a dorsal nerve.
All chordates have a supportive rod along their back called the?
notochord
What distinguishes a chordates?
At some point in all chordates' lives, they have a notochord, a nerve chord, gill slits and a tail. Some chordates are more complex though.
What are three structures that all chordates have in common?
Chordates are animals that comprise the vertebrates. The three structures that are present during their development are the notochord, a tubular nerve cord and gill slits leading into the pharynx.
