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Do gill slits disappear before birth in all chordates?
no.
What are the respiratory organs of chordates?
Gills I think, like pharyngeal gill slits ... maybe ....
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 do all choradates have?
all chordates have notochord, gill slits, postanal tail, and nerve chord.
What organisms have pharyngeal gill slits and a dorsal hollow nerve cord at some time in their development?
Chordates
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.
What are the characteristics of nonvertebrate chordate?
Chordates are the organisms that have a rod like cartilagenous structure called notochord which gives rise to nervous system. These have pharyngeal gill slits. Nonchordates are the organisms that do not have a notochord. These do not have pharyngeal gill slits.
What is the function of the gill slits?
Gill slits in sharks and rays help to funnel water into the gills, which empty into the pharynx and eventually the lungs.
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 animals have a tubular nerve cord and gill slits at some point in their lives?
No, not all vertebrates have tubular nerve cord.
How do agnatha breath?
by the gill slits
What is the common name for chordates?
Chordate is the common name for a very large group of animals (kingdom Animalia) that, at some stage in their life cycle, have something resembling a spinal chord or column, and gill slits. The phylum is called Chordata, and includes humans (we have gill slits in our fetal stage.
