Gymnosperms are seed plants that have evolved cones to carry their ... Megaspores made in cones develop into the female gametophytes inside the ovules of ... ovule: the structure in a plant that develops into a seed after fertilization; the ... grain to initiate fertilization; the pollen grain divides into two sperm cells by mitosis; ...
EXPERT HELP: EXPLAIN THE ANSWER: What happens during the stage labeled 6? A. Young male cones produce spores using meiosis. B. Young female cones produce spores from cells that divide using meiosis. C. A spore divides and grows into a pollen grain using mitosis D. A seed that contains an embryo plant grows into a young pine tree.
