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78 Cards in this Set

  • Front
  • Back
What were the first land plants related to?
green algae
What does green algae share in common with plants?
presence of chlorophyll a and b, storage of excess carbohydrates as starch, and cell walls made of cellulose
were adapted as means of absorbing minerals and neutrients from the surrounding soil since land plants were no longer surrounded by an aqueous medium source
rhizods and roots
distinguished a land plant from green alagae
development of a gametangium, and has a waxy cuticle
prevents the embry from drying out in terrestial environments
gametangium
prevents dessication or drying out
the waxy cuticle
pores in plants that allow for gas exchange
stomata
allows for effeicient movement of materials throughout the complex bodies of plants
vascular tissue
most common sexual reproductive cycle of plants
alternation of generations
what does the sporophyte generation produce
spores through meiosis
what does the gametophytes produce
haploid gametes by mitosis
where are eggs produced
in the archegonia
where is the sperm produced
the antheridia
what forms when the egg and sperm fuse
zygote
what is the plant body
thallus
what type of plant is nonvascular
brophytes
what are root like structures that help anchor the plant and have some water and mineral absorptive capabilities
rhizoids
if a plant has vascular tissue what else does it have
true leaves, stems, and roots
transports water and minerals from the roots to the rest of the plant
xylem
transports nutrients from the roots to the rest of the plant
phloem
reproduction when the older central portion of the thallus does leaving the growing tips isolated
fragmentation
found on the dorsal side of some thalie the can produce a new plant if when it is splashed out it lands in a suitable habitat
gemmae cup
what are probably the must successful vascular plants that can live in multiple habitats
ferns
when sori mature the haploid spores are released, germinatem and grow into heart shaped gametophyte plants called..
prothallus
frons from the growing sporophyte break through the soil in a coiled position
fiddlehead
when the fiddlehead uncoils it displays a...
fond
tissue type of a gymnosperm
woody trees and shrubs
tissue type of an angiosperm
woody and herbaceous
vascular tissue of gymnosperm
tracheids rarely vessels
vascular tissue of an angiosperm
tracheids and vessel elements
repoductive structures of a gymnosperm
cones, pollen, and embryo
reproductive structures of an angiosperm
flowers, embryo sac, pollen, embryo, seed and carpel
fertilization of both a gymnosperm and angiosperm
pollen grain, internal
pollen grain transfer of gymnosperm
by wind
pollen grain transfer of an angiosperm
wind, water, and animals
where are seeds found in gymnosperm
emposed or on scales of cone
where are seeds found in an angiosperm
enclosed within the fruit
what do angisoperms owe their success to
structual diversity, effecient vascular systme, evolution of the flower
what are the male spores
microspores
what are the female spores
megaspores
what is a dormant embryo embedded into the nutrient tissue of the female gametophyte and surrounded by a coat
seed
what is the major difference between the gymnosperm and angiosperm
placement of ovules and microsporangia
what are the 4 classifications of gymnosperms
coniferophyta, ginkgophyta, cycadophta, and gnetophta
what is when there are seperate male and female plants that produce either ovules seeds or pollen
diocious
what is it when there is a single plant producing bother pollen producin and ocule bearing cones
monocious
what is the life cycle for angiosperms or flowering plants
alternation of generations
two reproductive structures of angiosperms
the flower and the fruit
female and male part of an angiosperms
ovule prodcuing caples and pollen producing stamen
what is a dormant embryo embedded into the nutrient tissue of the female gametophyte and surrounded by a coat
seed
attractive or protective leaf like structure
preianth (the petals and carpel combines)
what is the major difference between the gymnosperm and angiosperm
placement of ovules and microsporangia
tissue that supports flower organs
receptacle
what are the 4 classifications of gymnosperms
coniferophyta, ginkgophyta, cycadophta, and gnetophta
what is when there are seperate male and female plants that produce either ovules seeds or pollen
diocious
what is it when there is a single plant producing both pollen producinn and ovule bearing cones
monocious
what is the life cycle for angiosperms or flowering plants
alternation of generations
two reproductive structures of angiosperms
the flower and the fruit
female and male part of an angiosperms
ovule prodcuing caples and pollen producing stamen
attractive or protective leaf like structure
preianth (the petals and carpel combines)
tissue that supports flower organs
receptacle
tip of flower stalk
peduncle
flowers that contain both a stamen and carpel
perfect flower
contain many individual flowers on the recptale giving the illusion of one large flower
composite flowers
flowers that lack either a stamen or carpel
imperfect flower
forms a triploid tissue when double fertilization occurs
endosperm
embryonic seed leaf
cotyledon
have one cotyledon and the endosperm is usually present in mature seeds
monocots
have two cotyledons and the endosperm is usually absent in mature seeds having been absorbed by the cotelydon
dicots
when the ovary develops to form a container for the seeds
fruit
plant organ that collect sun and obtain carbon dioxide
leaves
plant organ that absorbs water and minerals
roots
plant organ that connect the two structures as well as support the plant
stem
plant organ that that helps maintain pressure within the cell
vacuoles
substance of the cell wall that holds two adjacent cells together
middle lamella
outer layer of a cell wall
primary cell wall
consist of minute strands of cytoplasm that extend through the cells walls of adjoining cells
plasmodesmata
how water is lost through leaves
transpiration
structures that allows water to leave the leaves
stomata