The two major groups of protostome are Lophotrochozoa andMultiple choice question.Ecdysozoa.Arthropoda.Insecta.Mollusca.

Select the two main groups of protostomes.Multiple select question.ecdysozoanslophotrochozoanscnidariansechinodermsbilaterians

Protostome animals called ______ include chitons, clams, scallops, snails, slugs, octopuses, and squids.Multiple choice question.annelidsarthropodscnidariansmollusks

Select the main groups of arthropods.Multiple select question.trilobitesannelidscheliceratescephalopodspolychaetesmandibulates

Animals in the protostome clade EcdysozoaMultiple choice question.form trochophore larvae.move by muscular contractions.shed their exoskeleton by molting.have ciliated mouths for filter feeding.

Protostomes are animals in which the embryonic blastopore becomes theMultiple choice question.mouthanusmesodermectoderm