PT 48 S3 Q26

The first thing any embryo must do before it can develop into an organism ... ...

According to the passage, which one of the following is a major difference between the establishment of polarity in the fruit fly and in the nematode?
(A) The fruit fly embryo takes longer to establish polarity than does the nematode embryo.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: Science & Technology Mix 3