Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
dendrochronology
|
tree ring analysis
|
|
|
what is used to get a tree ring sample for analysis?
|
increment borer
|
|
|
what is the term for a fern with leaf gaps and branching veins?
|
microphyllous leaves
|
|
|
abaxiel
|
lower leaf
|
|
|
fronds
|
leaf of a fern
|
|
|
pinnae
|
leaflet of fronds
|
|
|
circinate vernation
|
coiled pattern young fronds has
|
|
|
which ferns are heterosporous?
|
marsilea and selviniales
|
|
|
what is the protective covering around a sorus called?
|
indusium
|
|
|
annules
|
help sori distribution in ferns
|
|
|
what is unique about polypodium?
|
no indusium, exposed sori
|
|
|
prothallia
|
fern gametophytes
|
|
|
synangium
|
3-lobed sporangia
|
|
|
homospory
|
either all male or female
|
|
|
what is unique and explain the structure of equisetum
|
div=pteridophyta, order=equisetales, g=equisetum
microphyllous leaves sheaths at nodes strobili on top composed of sporangiophores w/6 sporangia, homosporous have special hydroscopic elaters |
|
|
what are the four divisions of gymnosperms?
|
coniferophyta, cycadophyta, ginkophyta, gnetophyta
|
|
|
what is the largest division of gymnosperms?
|
coniferophyta
|
|
|
eustele
|
arrangement in ring in a eudicot
|
|
|
atactostele
|
arrangement in monocot, scattered
|
|
|
what are the main differences between the monocot and eudicot?
|
monocot=3 flower parts, atactostele arrangement, 1 cotyledon, parallel leaf venation, secondary growth from vascular cambium absent
eudicot=4 or 5 plant parts, 2 cotyledons, eustele arrangment, secondary growth, net-like leaf venation |
|
|
what is the flowering head of a sunflower?
|
inflorescence
|
|
|
what is the difference between ray and disc flowers?
|
ray flowers on outside, disc flowers inside
|
|
|
what does primary root emerge from?
|
embryonic radicle
|
|
|
what is the lower part of the stem?
|
hypocotyl, adventourous roots may emerge from here
|
|
|
what are the four major functions of a root?
|
anchorage, conduction, storage, and absorption
|
|
|
where is the ground meristem, protoderm, and procambium located?
|
in root tip, procambium is the middle, ground meristem outside that, protoderm is outside covering
|
|
|
What where do the secondary xylem and phloem develop?
|
vascular cambium
|
|
|
What is produced from the cork cambium
|
cork and phelloderm
|
|
|
What does the apical meristem mainly account for?
|
height and length
|
|
|
what are the prickles on ther rosebush?
|
outgrowths of epidermal tissue
|
