You find a fossil deuterostome in marine deposits, that has several feathery arms at the end of a long stalk.The stalk is composed of tiny discs that resemble a five-pointed star in cross section.This animal is likely a

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The feathery arms at the end of a long stalk and the tiny discs resembling a five-pointed star in cross section are characteristic of crinoids, which are a type of deuterostome. The other options do not fit this description. Asterozoans include starfish, which do not have a long stalk, and echinozoans include sea urchins, which also do not have a stalk. Hemichordates are worm-like organisms and lancelets are chordates that do not have stalks or feathery arms.

You Find a Fossil Deuterostome in Marine Deposits, That Has