Create an account
a tissue that is composed of cells that are more specialized than those of parenchyma tissue (provide support for the plant and are grouped in strands)
lighter color wood that shows more growth in the tree because it generally gets more water that time of the year
darker wood showing summer growth of the plant because it generally gets less water that time of the year hotter)
pollen grain lands on stigma. Grain contains two nuclei: tube and generative. The grain germinates the stigma and the tube nuclei forms a pollen tube that moves down the style around the ovary to the ovule. Generative forms two haploid sperm cells. One sperm cell fuses with egg, making zygote, other fuses with two polar nuclei, making endosperm (nutrients for zygote/embryo, as it grows)
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together