BI 112 Spring 2009
A List of Terms, and some study questions for Exam I
----CHAPTER 29-30------
embryophytes
Know the 10 phlya of land plants (be able to list examples and common names as
appropriate)
Know which phyla are vascular plants, which are nonvascular, which produce
seeds, which produce flowers and fruit, which shed spores.
----CHAPTER 35-------
petiole
blade
vein
adventitious roots
rhizome/tuber/bulb
tendrils/spines/bracts
meristems, apical & lateral
primary growth
secondary growth
monocot vs. dicot
epidermal tissue
ground tissue
vascular tissue
endodermis
stele
suberin
cortex
cambia (the two types of)
xylem vs. phloem
cork cambium
vascular cambium
vascular bundle
cork
bark
pith
tracheids
pits vs. perforated end walls
vessel elements
lignin
lumen
1o cell wall
2o cell wall
(which cell wall above is lignified?)
sieve-tube members
companion cell
parenchyma
collenchyma
sclerenchyma
palisade vs. spongy parenchyma
mesophyll
lenticels
stoma
stomate
guard cell
cuticle
biennial/annual/perennial
herbaceous
-------Chapter 36 -----------
apoplast vs symplast
plasmodesmata
active transport
chemiosmosis
cotransport
selective channels
endodermis
casparian strip
transfer cells
suberin
diffusion
proton pump
osmosis vs. bulk flow
hypotonic/hypertonic
water potential
root pressure
guttation
xylem sap vs phloem sap (content of & direction of flow)
transpiration & benefits of
tension
cohesion
water column
turgid vs. flaccid
guard cell regulation
translocation
sugar source vs. sink
pressure flow=bulk flow
what drives bulk flow through a sieve tube?
circadian rhythm
How does girdling kill trees?
-------Chapter 37-----------------
List the essential macronutrients & essential micronutrients.
Know the big 3 nutrients as labeled in commercial fertilizers.
Is the surface of clay particles (-) or (+) charged?
organic soil
inorganic soil [list in rank particle size order: clay, sand, silt]
parent material
humus [True/False: Plant roots are able to take in nutrients directly from
humus?]
Plants take in what forms of nitrogen?
cation exchange
leaching
legumes
leghemoglobin
Rhizobium
mycorrhizae
root nodules
Some plants "eat" animals to acquire what nutrient primarily?
Do roots absorb organic nutrients?
epiphyte
mistletoe
dodder
pitcher plants
Venus flytrap
------CHAPTER
38 Plant Reproduction------------
Contrast
the male gametophyte vs. female gametophyte in angiosperms.
From
what flower part does the fruit develop and what function does it serve the
plant?
The
flower has provided for what reproductive advantages as compared to reproduction
in gymnosperms?
Gametophyte
vs. sporophyte: which is haploid, which is diploid and what role does each
generation play in sexual reproduction.
Know
the following parts of the flower:
Sexual reproduction requires what 2 events?
What
are some benefits of plant tissue culture?
Key
Terms:
alternation of generations
carpel
double fertilization
embryo sac
endosperm
fragmentation
gemmae
gametic meiosis cycle
generative cell
heterospory
homospory
i.d. 7 cells of embryo sac
integument, seed coat
megagametophyte
megasporangium
microgametophyte
microsporangium
monoecious vs. dioecious
perfect vs. imperfect flower
plantlets
polar nuclei
pollen grain
seed
sporangium
spore
spore mother cell
sporocyte
staminate vs. carpellate flowers
transgenic
tube cell
vegetative reproduction