13195456
Plants
- Eukaryotes: nucleus & organelles;
bryophytes (mosses), ferns,
gymnosperms, angiosperms;
autotrophs (take energy from sun to
make themselves food); cell wall made
up of cellulose; terrestrial (all land
plants); alternation of generations; ALL
EMBRYOPHYTES (PROTECTED
EMBYROS)
- Angiosperms
flower
- Gymnosperms
seedless (conifer)
- Angiosperms
flower
- Sporophyte = diploid
- Gameophyte=haploid
- Photosynthesis: energy
from the sun to make
sugars, to store and give
off
- Cytokinins
increase cell
division; causes
plant to grow
wide; keeps
leaves young
- Phototropism:
plant response to
light
- Auxin moves to shady
sign while expanding
cell wall; where auxin
is cells grow faster
and plant leans
opposite way
- Auxin moves to shady
sign while expanding
cell wall; where auxin
is cells grow faster
and plant leans
opposite way
- Gibberellins
plant grows
taller; grapes
- Abscisic acid
keeps seeds
dormant
- Ethylene ripens fruit;
positive feed back loop
makes response stronger;
banana next to apple
- gravitropism:
response to
gravity; root,
positive; shoot,
negative
- thygmotropism:
response to touch
- photoperiod: plant flowers
based on length of night;
short night flower winter,
long day flower summer
- Hypersensitive
Response: response
to pathogen infected
cells and nearby cells
kill selves, signal
tranduction, sends
chemical to warn
nearby leaves
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