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Question 1
Which of the following characteristics is NOT true about deuterostomes ?
Select one :
a . The second opening during embryonic development becomes the mouth .
b . They include the echinoderms and humans .
c . They have a coelom .
d . They include the simplest of invertebrates .
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Question 2
The term " deuterostome " refers to
Select one :
a . having a spiny skin .
b . having three germ layers .