Multiple choice In which of the following features do the bryophytes differ from algae? They are terrestrial. They have a sterile jacket. They produce biflagellate gametes. Both (1) and (2) None of the above Reveal answer Fill a bubble to check yourself B Correct answer Explanation Bryophytes differ from algae primarily in having a sterile jacket around their reproductive structures (archegonia and antheridia). This protective layer of sterile cells is a key evolutionary advancement.