Which of the following is a structure in some plants that produces male sex cells? phloem tracheophyte antheridium archeogonium what is a life cycle that alternates between sexual and asexual reproduction called? archegonium antheridium alternation of generations metamorphosis

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.