Question

multiple choice question
a notochord, a dorsal hollow nerve cord, pharyngeal pouches, and a postanal tail are features that are found at some point during the lives of ______ which include tunicates, lancelets, and vertebrates.
echinodermacephalopodsarthropodschordates

Explanation:

Chordates are defined by having a notochord, dorsal hollow nerve cord, pharyngeal pouches, and a postanal tail at some stage in their life. Tunicates, lancelets, and vertebrates are all chordates. Echinoderms (like starfish) are in a different phylum. Cephalopods (like octopuses) are mollusks. Arthropods (like insects) have jointed appendages and an exoskeleton.

Answer:

chordates