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Chapter 30: Plants Land Conquest
USF Summer 2009 Study Set for Chapter 30
28
Biology
Undergraduate 2
06/03/2009

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Term
Charophyceans
Definition
Modern Freshwater green algae that could be relate to the common ancestor to all plants.
Term
Monophyletic Group
Definition
Having a common ancestor. Also known as a Clade.
Term
Chara and Coleochaete
Definition
2 Plant geneses related to Charophyceans
Term
Clade
Definition
Group of organisms with a common ancestor. Also known as a Monophyletic Group.
Term
Streptophytes
Definition
Clade consisting of charophyceans and all land plants.
Term
What are the ten phyla of plants?
Definition
Liverworts
Hornworts
Mosses
Lycophytes
Pteridophytes
Cycads
Ginkgos
Conifers
Gnetophytes
Angiosperms A.K.A. (Flowering Plants)
Term
Bryophtes: Earth's simplest land plants
Definition
Contain 3 plant Phyla (Liverworts, Honrworts, and Mosses)
Term
2 phyla of vascular plants that do not produce seeds
Definition
Lycophytes and Pteridophytes
Term
2 Modern seed plant phyla
Definition
Gymnosperms and Angiosperms
Term
Collectively, all of the living and fossil seed plant phyla.
Definition
Spermatophytes.
Term
Lignophytes
Definition
Modern seed plants.
Term
Phragmoplast
Definition
promote development of intercellular connections called plasmodesmata.
Term
Plasmodesmata
Definition
Iintercellular connections in plants. Development is promoted by phragmoplasts.
Term
K/T Event
Definition
Meteor or comet hitting near the Yucatan Peninsula in Mexico ending the Cretaceous (K) Period and starting the Tertiary (T) period.
Term
Critical innovations
Definition
New features that foster the diversification of phyla.
Term
Placental transfer tissues
Definition
Nutritive tissues that aid in the transfer of nutrients from parent to embryo.
Term
Lycophylls or Microphylls
Definition
Tiny leaves that have only a single unbranching vein.
Term
Euphylls
Definition
leaves with branched veins.
Term
Euphyllophytes
Definition
Clade of seed plants and pteridophytes.
Term
Ovule
Definition
Sporagngium containing only a single spore that developed into a small egg producing gametophyte.
Term
Pollen
Definition
The sperm of a seed plant.
Term
Pollination
Definition
Process of pollen reaching an ovum.
Term
Double fertilization
Definition
When a food sac and zygote are formed during pollination so that if the embryo does not form, food is not wasted.
Term
Endosperm
Definition
Food storage tissue used during double fertilization.
Term
Heterospory
Definition
When spores of the same type grow into either male or female gametes
Term
Endosporic Gametophytes
Definition
Gametes of spores that grown within the walls of a microspore or a megaspore.
Term
Tracheophytes
Definition
All vascular plants. (Seed plants + Lycophytes and Pteridophytes)
Term
Gymnosperms (4 types)
Definition
Cycads, ginkgos, conifers and gnetophytes
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