plant reproduction

whats the difference between a mircospore and megaspore

micro-pollen mega-embryo sac

what is a targeted pollinator

less pollen needed, need to be attracted

what is a nontargeted

need lots of pollen

how does pollen grow

lands on stigma, form tube, carry sperm to ovule, growth of tube

what crossing does unisexual flowers favor

outcrossing

where is pollen recognized at, what happens if compatible

stigma, germinates

what are the steps to fertilization

form pollen tube, grow through style, reach ovary, release sperm into embryo sac

what is capable of double fertilization

angiosperms

what does the endosperm form and how many chromosomes does it have

forms nutritive tissue, 3N

when is something considered an embryo

when nutritionally dependent on maternal tissues

how do embryos become fruits

ovule-seed ovary-fruit