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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.
Do birds have a nerve cord?
Birds are vertebrate chordates, which means they have a spinal column and a dorsal nerve chord, just like people. In fact, they are a commonly used model system in developmental biology for how the central nervous system of chordates develop.
Do frogs have a dorsal nerve cord?
Features are a hollow nerve cord in the dorsalside of the body; ... Larger sharks have been said to exist, but at the moment have not been documented
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.
To what phylum do vertebrates belong?
Vertebrates belong to the phylum Chordata. This phylum includes organisms with a notochord (flexible rod) at some stage in their development, as well as a dorsal nerve cord and pharyngeal slits. Vertebrates are characterized by having a vertebral column, which gives them their name.
Does birds have spinal cord?
Yes, they have a dorsal (at the back) nerve chord as they are vertebrates ( they have an internal skeleton).
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).
Does a lamprey have a dorsal nerve cord?
Yes
Why is the earthworm dissected dorsal side up?
Earthworm is an invertebrate hence it has its nerve chord at the "front" of its body, that is at the ventral surface.To avoid causing damage to the nerve chord,earthworm(invertebrate)is dissected dorsal side up.
How does the nerve cord of chordates differ from the nerve chord of other animals?
It runs along the dorsal side of the body.
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.
Are deer vertebrates?
Deer are vertebrates, They have a backbone, and a cranium, and a dorsal hollow nerve tube and internal organs.
A vertebrates backbone is part of what internal skeleton?
Ventral nerve cord, vertebra, dorsal nerve cord, and notocord.
What does the vertebrates protect?
it protects a hollow nerve chord
Vertebrates belong to phylum chordata this means they have at some time in their life a?
dorsal notochord, dorsal nerve cord, pharangeal pouches, and post anal tail.
Cavity enclosing the nerve cord?
Dorsal hollow nerve cord in some invertebrates (like chordates) or vertebrates.
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.
