| Term | Definition |
|
endosperm |
transfer nutriend from mother plant to developing embryo |
|
cotyledons |
seed leaves of embryo; carries photosynthesis until 1st leaves develop |
|
apical meristems |
bring primary growth; |
|
germination |
sprouting of seed occurs; temperature and environmental favorable |
|
vascular cambium |
cylindrical layer near the outer surface of roots; produce xylem toward inside and phloem toward outside |
|
secondary growth |
growing outwards |
|
primary growth |
growing upwards |
|
meristems |
plant tissues, remains embryonic and produces cells responsible for growth |
|
cambium |
secondary growth |
|
tropism |
growth toward or away from a stimulus |
|
phototropism |
growth of plants toward light |
|
gravitropism |
growth towards/away from earth |
|
phytochrome |
two slightly different chemical structures |