cephalochordates

What Is The Difference Between Urochordata And Cephalochordata?

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What Is The Difference Between Urochordata And Cephalochordata? The key difference between Urochordata and Cephalochordata is based on their notochord What is the difference between Urochordata and vertebrata? In Urochordata,the notochord, nerve cord, and postanal tail is only found in the larval stage. So they don’t have these chordate characteristics as adults. In Cephalochordata,notochord is

What Animals Have No Cephalization?

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What Animals Have No Cephalization? Examples include echinoderms (starfish, sea urchins, sea cucumbers) and cnidarians (corals, anemones, jellyfish). Animals that can’t move or are subject to currents must be able to find food and defend against threats from any direction. Does cephalization exist in Aschelminthes? Externally, there is little differentiation between the anterior and posterior