meristem
zone of actively dividing plant cells
shoot
part of plant that grows mostly upward
gametophyte
haploid plant that makes gametes
stoma
enables plants to exchange oxygen and carbon dioxide
root
part of plant body that grows downward
sporophyte
diploid plant that makes spores
xylem
vascular plant tissue
meristem
areas of rapid cell division at shoot tip and root tip of a plant
dermal tissue
outer layer of a plant
cortex
ground tissue of a plant
monocot
has a protective sheath to protect the shoot
perennial
plant that reproduces many times in a life span
apical dominance
inhibition of growth of buds along the stem
plant
continuously makes new cells throughout a life span
differentiation
process by which cells become specialized in form and function
dormancy
a condition in which a plant or seed remains inactive
biennial
plant that takes two growing seasons to complete a life cycle
meristem
production sites of primary and secondary growth
germination
the resumption of growth by a plant embryo
animal
genes that control development eventually become inactive
corn
the most widely cultivated food crop in the US
brightly colored sweet smelling flowers are likely ___ pollinated
insect
female reproductive parts of a flower
pistils
seeds of flowering plants develop from
embryos and ovules
water and dissolved nutrients are transported by
vessels and tracheids
sugars and other nutrients are transported by
seive tubes
the movement of water up a plant begins with
transpiration
what is needed for a seed to germinate
rising temperatures, exposure to cold, and penetration of water and oxygen through the seed coat
a plants root obtains oxygen from
air spaces between soil particles