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What is one major difference between the Pterophyta and the Coniferophyta (gymnosperms)? O A. Gymnosperms do not have a dominant sporophyte OB. Gymnosperms do not have a cuticle. OC. Gymnosperms have xylem and phloem but pterophytes do not. O D.Gymnosperms produce seeds containing the sporophyte embryo and pterophytes do not. QUESTION 8 The ovulate cone produces the unfertilized egg within the O A. megasporangium, stoma OB. megasporangium, micropyle O C.microsporangium, stoma O D.microsporangium, micropyle QUESTION 9 Leaves exchange gasses through opening in leaves called O A. micropyles, palisade mesophyll OB. stomata, cuticle OC. stomata, spongy mesophyll O D. micropyle, spongy mesophyll QUESTION 10 and has a small opening in the integument called the for pollen to enter. The gas exchange primarily occurs through cells in the Flowers may possess male and female structures at the same time. The general name for the male structure is O A. carpel, sepal OB.stamen, sepal OC. petal, sepal O D.stamen, carpel layer and the female structure is the