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Definition
| synthisize inorganic compounds for energy as well as carbon dioxide |
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Term
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Definition
zygote is only 2n stage
seen in fungi and some algae |
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Definition
gametes are only n stage
seen in most animals and some algae |
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Term
| sporic meiosis (alternation of generation) |
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Definition
seen in all plants and most complex
meiosis produces spores whcih grow into haploid gametophytes, which produce gametes
zygote grows into diploid sporophyte, which produces spores by meiosis |
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Term
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Definition
haploid and multicellular
produces gametes |
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Term
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Definition
diploid and non sexual phase of the plant life cycle
and produces spores |
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Term
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Definition
non vascular plants
mosses, liverworts, hornworts
the gametophyte (n) stage is dominant; and the sporophyte (2n) stage is reduced in size |
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Term
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Definition
split into seed and seedless plants
the sporophyte stage is dominant and gametophyte is reduced in size ( seed/pollen) |
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Term
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Definition
form spores not seeds to reproduce
need water for fertilization
ferns and fern allies |
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Term
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Definition
form seeds and pollen to reproduce sexually (no water )
split into gymnosperms and angiosperms |
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Definition
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Definition
plants with flowers and fruits producing enclosed seeds
split into monocots and dicots |
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Definition
| the gamete vessel found in fungi algae bateria and in the gemetophyte of plants |
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Term
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Definition
| male gametangium that produces sperm |
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Term
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Definition
| female gametangium that produce eggs |
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Term
| plant adaptations to life on land |
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Definition
spores
waxy cuticle to prevent water loss
stomata to prevent water loss
development of a vascular system |
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Term
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Definition
earliest plant known as a fossil
no leaves or roots |
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Term
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Definition
| old plant similar to cooksonia but larger |
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Term
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Definition
| 1. sporangium releases spores which germinate and grow into a gemetephyte. the gemetephyte (1n) releases sperm and eggs out of archegonium. after fertilization a sporophyte (2n) starts to grow into a plant. the sori on the bottom of the leaves hold the sporangium which release gemetaphyte. |
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Term
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Definition
| young leaves on ferns that are folled up and harvested as a vegetable |
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Definition
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Definition
| horsetail or scouring rush |
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Term
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Definition
club moss or ground pine
has cones or strobili |
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Term
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Definition
| a leaf on a fern with a sporangium attached to it |
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Term
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Definition
| a sporophyllus clustered together on a stem |
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Term
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Definition
spike moss
shows important intermediate stages of evolution of seed
heterosporous with 2 types of spores |
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Term
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Definition
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Term
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Definition
| female sporangium, producing megaspores |
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Term
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Definition
| a leaf with a megasporangium on it |
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Term
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Definition
female gametophyte that develops from inside a megaspore
holds an egg inside archengonia |
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Term
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Definition
| produced in microsporangium and developes into a microgametophyte (male gametophyte) |
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Term
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Definition
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Term
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Definition
| a leaf with a microsporangium on it |
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Term
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Definition
| male gametophyte that develope inside a microspore |
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Term
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Definition
specialized reproductive structures made of a....
seed coat (2n)
embryo (2n)
nutrients |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| passage from pollen grain to ovule |
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Term
| gymnosperm (pinus) lifecycle |
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Definition
| male cones produce pollen, female cones produce ovules which form seeds when fertilized, pollen tube grows to egg and fertilization occurs in 15 months after pollination, cone scales separate and release seeds |
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Term
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Definition
arose 125 mya
largest / most dominant group of plants |
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Term
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Definition
| is a shoot tip with 4 sets of modified leaves |
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Term
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Definition
| swollen shoot tip that holds floral parts |
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Term
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Definition
| 1st and outermost set of modified leaves |
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Term
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Definition
| 2nd set of leaves attached inside sepals |
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Term
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Definition
microsporophyll
3rd set of leaves
male part of flower with 2 parts
-filament and anther |
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Term
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Definition
microsporangium
which produces microspores and pollen |
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Term
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Definition
megasporophyll
4th set of leaves
female part of flower with 3 parts
-stigma, style, and ovary |
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Term
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Definition
| pollen reception surface at tip |
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Term
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Definition
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Term
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Definition
| swollen basal part containing ovules inside |
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Term
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Definition
| another name for female parts of a flower made of 1 or more carples |
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Term
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Definition
| pollen grain goes into the stigma, then tube cells form and sperm migrates to ovule, in ovule, megaspore developes into embryo sack with 7 cells and 8 nuclei, then egg is fertilized by one sperm, centeral cell is fertilized by second sperm to form a 3n endosperm. |
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Term
| angiosperm microgametophyte |
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Definition
3 cells
tube cell
generative cell that divides into 2 sperm cells |
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