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What does the dorsal nerve chord develop into in vertebrates?
In vertebrates, the dorsal nerve cord develops into the central nervous system, which consists of the brain and spinal cord. The neural tube forms from the dorsal nerve cord during embryonic development, giving rise to these critical components of the nervous system. This structure is essential for processing sensory information and coordinating responses throughout the body.
The three things all chordates have?
Chordates all possess a notochord (dorsal supporting rod), gill slits, and a dorsal nerve cord some time in their life cycles.
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?
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.
At some point in their lives all chordates have what characteristics?
All chordates have a notochord at some stage in their development, even if it is only at the embryonic stage. The notochord is a flexible structure located in front of the dorsal nerve, which all chordates also have.
What organisms have pharyngeal gill slits and a dorsal hollow nerve cord at some time in their development?
Organisms that have pharyngeal gill slits and a dorsal hollow nerve cord at some point in their development include chordates, such as fish, amphibians, reptiles, birds, and mammals. These features are key characteristics of chordates during their embryonic stages.
Do frogs have a dorsal cords?
Yes. all animals that have a an endoskeleton and a backbone will be present with a dorsal nerve cord.
Does a kangaroo have a dorsal nerve cord notochord?
Yes
What does a dorsal nerve cord do?
Dorsal means pertaining to the back, so a dorsal nerve cord is essentially a spinal cord; it's the never cord in the back. It connects the brain to all of the body below the head.
Does a kangaroo have a dorsal nerve cord?
Yes. Kangaroos, like humans, are vertebrates, which are a subset of chordates (having a dorsal nerve cord).
What type of nerve cord do all chordates possess?
A dorsal, hollow nerve cord.
Does bullfrog have a dorsal nerve cord?
Yes.
What is a hollow nerve cord?
The dorsal nerve cord is one of the embryonic features unique to chordates, along with a notochord, a post-anal tail and pharyngeal slits. It is a hollow cord dorsal to the notochord. It is formed from a part of the ectoderm that rolls, forming the hollow tube, compared to other animal phyla, which have solid, ventral tubes. The dorsal nerve cord is later modified into the brain and spinal cord. Dorsal nerve cord is mainly found in phylum Vertebrata. Dorsal means the "back" side, as opposed to the belly side (ventral).
What is a dorsal hollow nerve cord?
The dorsal nerve cord is one of the embryonic features unique to chordates, along with a notochord, a post-anal tail and pharyngeal slits. It is a hollow cord dorsal to the notochord. It is formed from a part of the ectoderm that rolls, forming the hollow tube, compared to other animal phyla, which have solid, ventral tubes. The dorsal nerve cord is later modified into the brain and spinal cord. Dorsal nerve cord is mainly found in phylum Vertebrata. Dorsal means the "back" side, as opposed to the belly side (ventral).
What is the positioning of a birds main nerve cord?
Dorsal.
Do all arthropods have a dorsal nerve cord?
No, these are specific to Chordates
Does a tuna have a dorsal nerve cord?
yes because it is a vertebrate
All chordates have dorsal tubular nerve cords?
True. All chordates have a dorsal tubular nerve cord, which is a defining characteristic of this phylum.
