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Patterns of life and evolution
Semester One
24
Biology
Undergraduate 1
01/18/2009

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Cards

Term
First land plants
Definition
510 - 439 mya
Term
First vascular plants
Definition
439 - 409 mya
Term
Cooksomia
Definition
410 mya
Term
Rhynie fossils
Definition
375 mya
Term
Bryophyta
Definition
Mosses - Rhizoids, seperate sexes
Term
Hepophyta
Definition
Liverwort - Very simular to mosses
Term
Anthocerophyta
Definition
Hornworts - 1 large chloroplast per cell, symbiotic with nitrogen fixing alga
Term
Pterotophyta
Definition
Ferns - Devoinian orgins, true roots, reduced gametophyte and independant sporophyte
Term
Psilophyta
Definition
Whisk Ferns - No stem, leaves, roots, dichotamous branching
Term
Lycophyta
Definition
Horsetails - Silicon in stem, scale leaves, cones
Term
Gynosperm fossil record
Definition
Orginated late devonian - 375mya
Flourished Jurassic - 175mya
Declined cretaceous - 145mya
Term
Angiosperm fossil record
Definition
Orgianted cretaceous - 145mya
Dominant today
Term
Cycads
Definition
Palm like with male and female plants, symbiotic with alga
Term
Ginkophyta
Definition
Motile sperm, fan leaves, one exant species
Term
Gnetophyta
Definition
Angiosperm features
Term
Female angiosperm organs
Definition
Stigma, style, overy
Term
Male angiosperm organs
Definition
Anther and filament
Term
Dicots
Definition
2 seed leaves, Net veins, 4/5 flower parts, ring shaped vascular bundle, 200K species
Term
Monocots
Definition
1 seed leaf, paralell veins, 3 flower parts, scattered vascualr bundle, 50K species
Term
Glomeromycete
Definition
Endomycorrhizae
Term
Chytrichomycota
Definition
Motile flagellated spores
Term
Zycomycota
Definition
Food molds, aseptate, asexual
Term
Ascomycota
Definition
Yeast and cup fungi, spetae, fruiting bodies, plant pathogens
Term
Basidomycota
Definition
Mutualist and paracites, decomposers, sexual
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