In an angiosperm process called ______, one sperm nucleus fertilizes an egg and the other sperm nucleus fertilizes a pair of nuclei in the female gametophyte, forming the triploid endosperm.Multiple choice question.self-pollinationdouble fertilizationbasal fertilizationcross-pollination

Select all of the following that take place during double fertilization in angiosperms.Multiple select question.two sperm nuclei fertilize one eggone sperm nucleus fertilizes a pair of nuclei to produce the endospermone sperm nucleus fertilizes an eggtwo sperm nuclei merge before fertilizing one egg

In the seed plants, the male gametophytes are called ______, which produces sperm cells.Multiple choice question.trichomespollenconesphloem

During fertilization, two diploid gametes fuse to form a haploid organism.Choose 1 answer:Choose 1 answer:(Choice A)   trueAtrue(Choice B)   falseBfalse

Once the pollen tube reaches the egg cell in conifers,Multiple choice question.one sperm cell fertilizes the egg cell to form the zygote, and the other sperm cell disintegrates.one sperm cell fertilizes the egg cell to form the zygote, and the other sperm cell fertilizes other nuclei to form the endosperm.two sperm cells fertilize one egg cell, forming a triploid zygote.

Cells of the diploid sporophyte generation undergo ______ to produce haploid spores, which divide to form the gametophyte generation. Cells of the gametophyte generation undergo ______ to produce haploid gametes, which fuse and then multiply to form the diploid sporophyte generation.Multiple choice question.binary fission; conjugationmeiosis; mitosismitosis; meiosisconjugation; binary fission