SAT, 13.12.2021 19:10 geminigirl077
Two juniper trees (juniperus scopulorum and j. Monosperma) have overlapping geographic ranges. Pollen grains (which contain sperm cells) from one species are unable to germinate and make pollen tubes on female ovules (which contain egg cells) of the other species. Which of the following isolating mechanisms keeps the two species separate?.
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SAT, 24.06.2019 17:30, Theacefamily123
Hree steps to answering test questions correctly include a. underlining, repeating, reading c. reading, undoing, eliminating b. reading, underlining, erasing d. reading, underlining, eliminating
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Two juniper trees (juniperus scopulorum and j. Monosperma) have overlapping geographic ranges. Polle...
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