What do the hearts of vertebrate chordates have that the hearts of invertebrate chordates do not have?Multiple choice question.Contractile abilityMuscleChambers

Which among the following is trueAll vertebrates have open circulatory systemAll chordates have closed circulatory system All chordates are vertebratesAll vertebrates are chordates

Select all of the following that are invertebrate chordates.Multiple select question.fishessea anemonetunicateslancelets

Select the four distinguishing features that all chordates have at some time during their lives.Multiple select question.heart and lungsnotochordpostanal tailpharyngeal pouches or slitsvertebral column of cartilage or bonedorsal, hollow nerve cordcranium

Chordates have a Blank______ that develops down the length of an embryo that allows for muscle attachment.Multiple choice question.notochordflexible rodbackbone

Which of the following is a characteristic of all chordates?Group of answer choicesThey all have vertebral columns.They all exhibit radial symmetry.They all have a notochord sometime during the life cycle.They all have an exoskeleton sometime during the life cycle.They all have a pseudocoelom.