3. In most chordates, what does the notochord become?the brainthe appendagesthe backbonethe spinal cord

In chordates called vertebrates, the notochord is replaced by the ______ during development.Multiple choice question.spinal cordbackbonelong nerves of the back and legscranium

Found in chordates, the notochord is aMultiple choice question.ventral nerve cord.dorsal nerve cord.ventral supporting rod.dorsal supporting rod

Select all that applyWhich of the following are components of the central nervous system in chordates?Multiple select question.Motor neuronsSpinal cordBrainSpinal nervesCranial nerves

In what type of chordate is the spinal cord surrounded by a backbone composed of cartilage or bone?Multiple choice question.lanceletsvertebrateshagfishesurochordates

WarningDue in less than 8 hoursMultiple Choice QuestionIn a typical chordate embryo, the notochord lies _________ to the dorsal tubular nerve cord, and runs ________ to it.Multiple choice question.ventral; paralleldorsal; perpendiculardorsal; parallelventral; perpendicul