An advantage of the internal skeleton of chordates is that it allows different body segments to specialize in function.True false question.TrueFalse

Most chordates have which type of skeleton?Multiple choice question.ExternalInternalLack a skeletonChitinous

The anterior (head) portion of the dorsal tubular nerve cord becomes the in most chordates.

In a highly segmented animal, such as an earthworm, each segment has a more or less complete set of organ systems. Why might this be an advantage for the animal?Multiple choice question.A single segment can ensure the proper function of the entire body.The animal can easily reproduce by shedding segments off.The animal can easily survive damage to one or a few segments.

The endoskeletons of echinoderms and chordates are Multiple choice question.different in terms of function.different in every way.very similar.

Describe in depth what makes a chordate? Does this mean that all vertebrates are chordates and why/why not?