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;
33 Cards in this Set
- Front
- Back
the symbiotic relationship with fungi called mycorrihzae:
|
allow palnts to take up minerals such as phospherous
|
|
what helps plants conserve water
|
waxy cuticle, stomata, spores
NOT MYCORRIHZAE |
|
inorder to disperse water throughout themselves more effieciently, plants evolved :
|
vascular systems
|
|
early vascualr plants frew by only cell division at the tip sof the stems and shoots, a type of growth called:
|
primary growth
|
|
in a seed plant, the pollen grains are actually tiny:
|
male gametophytes
|
|
the first seed plants were the :
|
gymnosperms
|
|
among hte longest surviving group of gymnosperms, the ____ have relatives alive on earth during the days of the dino
|
cycads
|
|
the second whorl of flowers is made up of ___ with the purpose of _____.
|
petals; attracting pollinators
|
|
the process by which flwoers evolved brighter colors, nectar rewards, and fragrances to attract pollinators that themselves became adapted to certian types of flowers is called
|
coevolution
|
|
flowers frequented by insects are typically not ___ becuase insects cant detect that color
|
red
|
|
in double feritilization, the seocond fertilization after fertilization after fertilization with the egg occurs with the
|
polar nuclei
|
|
dicots evolved __ monocots
|
before
|
|
the major purpose for stems appear to be
|
to serve as a framework for the positioning of leaves
|
|
in plants, primary growth occurs at a grwoing center called a
|
apical meristem
|
|
the growing center that gives rise to outer layers of bark on both root and shoors is the
|
cork cambium
|
|
____ cells are primary cell. alive at maturity, least specialized and most common
|
parenchyma
|
|
___ cells lack cytoplams at maturity, are touch and thick-walled and serve to strenghten tissues
|
sclerenchyma
|
|
___ are outgrowths of the epidermis that occur on the shoot, main functions is to maintian ehar and water balance
|
trichomes
|
|
phloem of angiosperms is made up of ___ lined up end to end forming tubes
|
sieve-tube memebrs
|
|
withing the epidermis of leaves are ___ through which gasses pass
|
stomata
|
|
within a leaf, just beneath the upper epidermis , lie closely packed column-like cells called
|
palisade parenchyma
|
|
in a mature tree, the point where the bark can be peeled off the wood is where the ___ lies
|
vascular cambium
|
|
the ___ is a waxy band of cells surrounding endodermal cells in the root
|
casparian strip
|
|
what types of plants are able to use animals as a source of nitrogen
|
carnivorous plants
|
|
some plants reproduce asexually through horizontal stems called
|
runners and rhizomes
|
|
dioecious plants have:
|
male or female flowers
|
|
in angiosperms, an unusual reproductive system process involving 2 sperm cells occurs called
|
double fertilization
|
|
the phenomenon known as phototropism is due to the plant hormone, ___, that regulates cell growth
|
auxin
|
|
____ promotes teh growth of lateral buds into branches, but inhibits the formation of lateral roots
|
cytokins
|
|
when applied to underripe fruit, the hormone ________ hastens ripening
|
ethylene
|
|
____ is a plant hormone that cuases the doemany of many seeds
|
abscisic acid
|
|
the response of plants to touch is known as ___
|
thigmotropism
|
|
the plant response in which stems grow upward and roots grow downward is called
|
gravitropism
|