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.

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; ...

Explanation:

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u