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Question
Which of the following is true of deuterostomes?a. The first opening into the embryo becomes the anus.
b. The first opening into the embryo becomes the mouth.
c. The second opening into the embryo becomes the anus.
d. The second opening into the embryo becomes the mouth.
e. The first opening into the embryo becomes the anus and the second opening into the embryo becomes the mouth.
Answer
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