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47 Cards in this Set

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rhizoid
hair like fiber that anchors moss to soil and takes in water from soil
spore
cell in seedless plant that grows into new plant
frond
leaf of a fern
rhizome
underground stem of fern
sexual reproduction
when female and male cell come together to make a fertilized egg
asexual reproduction
production of new organism by only one cell (spore)
3 things mosses do to help the envronment
keep top layer of soil from blowing away
keep moisture in the ground
break up rocks to make fertile soil
Mosses grow close to the ground because
they are non-vascular so they don't have the tube-like structures to carry water and support the plant
how do mosses take in water
they take in water through the rhizoids and pass it from cell to cell
when a plant alternates between sexual and asexual reproduction
alteration of generation

(mosses and ferns reproduce this way)
are ferns vascular or non-vascular
ferns are vascular
What were the first land plants
mosses were the first land plant
what do the cells of green algae and plants have in common
they both have a cell wall that contains cellulose.
they also both store food as starch
list two differences between mosses and ferns
mosses grow close to the ground and are non-vascular.
ferns grow taller and are vascular
In order how do scientists think plant appeared on land
1.mosses
2 ferns
3gymnosperm
4 angiosperms
what is a seed
an underdeveloped plant with stored food sealed in a protective coating
angiosperm
a seed plant that produces flowers
gymnosperm
a seed plant that does not produce flowers
what are the 4 divisions of gymnosperm
conifers
cycads
ginkgoes
gnetophytes
The giant redwood is what type of plant
it is a gymnosperm
where do cycads live
in warm climate
where ar conifers mostly found
conifers are found mostly in the northern parts of the world
are most gymonosperm evergreen or diceduous
most are evergreen
conifer
any group of gymnosperm that produce seeds in cones and have needle like leaves
cotyledon
a tiny leaflike structure inside a seed of an angiosperm
monocot
an angiosperm with one cotyledon in each seed
dicot
an angiosperm with two cotyledons in each seed
What is the largest division of the plant kingdom
angiosperm is the largest division
monocots have this type of vascular system
scattered bundles
dicots have this type of vascular system
rings
why do flowers have a scent
to attract insects
ovary
a structure containing egg cells
pollination
the transfer of a pollen grain to the egg producing part of a plant
embryo
the immature plant inside a seed
seed coat
the outer covering of a seed
fruit
teh ripended ovary of a flowering seed plant
anther
holds the pollen grains
stigma
the top part of the pistil
stamen
the male part of the plant made up of the anther that holds the pollen grain and the filament which is the stalk `
pistil
the female part of the plant (the top part is the stigma and the bottom is th eovary)
sepals
the outer leaf like parts at the base of the flower
Are holly berries found on trees with male or female flowers
they are found on trees with female flowers
complete flowers
contain sepals, petals, stamens, and pistils
perfect flower
have both male and female parts
incomplete flower
is missing at least one of the parts included on the complete flower
Name the two types of pollination
self-pollination and cross polination
fertiliztion
pollen lands on sticky stigma of pistil
pollen tube grows into ovary
sperm travels down pollen tube and fertilizes egg