0
What organisms have pharyngeal gill slits and a dorsal hollow nerve cord at some time in their development?
Wiki User
∙ 12y ago
Chordates
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
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 are the charcterisics of a chordate?
At some point in their lives, a chordate will have a notochord, a nerve cord that runs down their back, and a slit in the throat area. The phylum name Chordata came from the notochord, a flexible rod that supports the back. They include fishes, amphibians, and reptiles.(I got this answer from my science textbook)Characteristic features of Chordata1. The chordates are one of the most diverse and successful of all animal groups.2. They are found in all regions of the world.3. They have a skeletal rod called Notochord, lying on the dorsal side of the body.4. There is a nerve cord that lies dorsally in the body, directly above the notochord.5. There is presence of Pharyngeal Gill slits atleast at the embryonic stage.6. Digestive system, Circulatory system and Nervous system are well developed.7. Those animals in which the notochord is replaced by a series of vertebrae are called as Vertebrates.8. Amphibia, Reptilia, Aves, and Mammalia are some of the classes of Phylum Chordata.They have bilateral symmetry, are coelomates, complete digestive system, and live in marine, terrestrial, and freshwater.All chordates have pharyngeal slits, which are openings that connect the inside of the throat to the outside of the neck, often used as gills. Their main feature, the notochord, a bundle of nerve fibers which connect the brain with the muscles and organs is present in all chordae's as well.In chordates, four common features appear at some point during development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.
In what ways are tunicates and lancelts similar to humans?
Tunicates and lancelets are common to humans in that all of them are chordates. That is they share certain charcteristics at some point in their lives. Four traits that they all share are notochord, hollow dorsal nerve chord, post anal tail, and pharyngeal gill slits. Some of these characteristics disappear during development, others are retained.
What are the four features of chordates?
Things that are classified into the "Chordata" category in taxonomy have these four features alike: -Dorsal, hollow nerve cord. -Backbone. -Head with eyes and a brain. -Gill slits and a post anal tail sometimes during development. I hope this helped:)
Where do chordata live?
To summarize:Everywhere.From wikipedia:"Chordata, are deuterostome animals possessing a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail for at least some period of their life cycles. Taxonomically, the phylum includes the subphyla Vertebrata, including mammals (and thus humans), fish, amphibians, reptiles, birds; Tunicata, including salps and sea squirts; and Cephalochordata, comprising the lancelets."
What are the four body parts of all chordates?
Notochord, Postanal Tail, Pharyngeal Slits, Dorsal hollow nerve cord
What are the main four characteristics of chordates?
#1. A supportive anterior to posterior notochord #2. A dorsal, hollow nerve cord #3. Pharyngeal gill slits(at some point in their ontongenic development) #4. A yolk sac(again, at some point in their ontongenic development)
Is a mammal a chordate?
Yes, mammals are chordates. They have postanal tails at one point in development, pharyngeal gills or slits, notochords which allow for muscle support and attachment, and a dorsal, hollow nerve tail that leads to a distinct brain.
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
What features other than a backbone do all vertebrates have in common?
#1. A supportive anterior to posterior notochord #2. A dorsal, hollow nerve cord #3. Pharyngeal gill slits(at some point in their ontongenic development) #4. A yolk sac(again, at some point in their ontongenic development)
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 are the 3 characterios do all chordates share?
There are several characteristics that all chordatas share, including a dorsal hollow nerve cord. They also all will have pharyngeal slits and a notochord.
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.
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).
Is snake a chordate?
Yes, snakes are chordates. They have postanal tails, pharyngeal gills or slits, a notochord that allows for muscle support and attachment, and a dorsal, hollow nerve tail that leads to a distinct brain.
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.
Why is a raccoon's phylum chordata?
Raccoons have all the required attributes of a chordate. Animals in the phylum Chordata share four key features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. Some of these features appear only during the embryonic stages of development
