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55 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Vocab:
fossil |
Any evidence of prehistoric life
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Vocab:
taphonomy |
Study of a an organism becoming a fossil
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Vocab:
allochthonous |
A rock found away from it's side of formation
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Vocab:
autochthonous |
A rock found at it's site of formation
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auto-same
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Absolute time is determined by ___
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carbon dating
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Vocab:
cladistic |
a study of ancestral lineage and its
descendants |
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Vocab:
monophyletic |
consisting of a single group on a tree
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Vocab:
paraphyletic |
group contains its most recent common ancestor but not all descendants of that ancestor.
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Vocab:
polyphyletic |
a similar trait evolved seperatly
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octopus eye
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Protoderm
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gives rise to the epidermis
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Procambium
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forms vascular strand, vascular cambium
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Ground meristem
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gives rise to the cortex and pith
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non seed plant steele
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dictostele, amphiphloic, protostele
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seed plant steele
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Atactosteele, Eustele
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Vocab:
fossil |
Any evidence of prehistoric life
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Vocab:
taphonomy |
Study of an organism becoming a fossil
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Vocab:
allochthonous |
A rock found away from it's side of formation
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Vocab:
autochthonous |
A rock found at it's site of formation
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auto-same
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Vocab:
lagerstät |
a great location with many fossils
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Vocab:
Protophloem/xylem |
The first phloem/xylem to form, matures before elongation of stem has ceased
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Vocab:
metaphloem/xylem |
matures after elongation of stem has ceased
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Sieve Cells
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conducting tissue in seedless vascular plants and gymnosperms
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exarch
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from procambium into center
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mesarch
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to interior and exterior
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endarch
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to the exterior
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centrarch
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metaxylem outside protoxylem in the center
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Vocab:
Microphyl |
small leaves with 1 vein and no leaf gaps
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Vocab:
Megaphyll |
normal leaves
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Vessels are different from trachieds because?
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Their end walls are dissolved so they all connect to transport liquids
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Degagement is used for -
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impression and compressions
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Maceration and clearing is used for -
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compressions
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Ground thin sections are used for-
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Permineralized material
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Peels are used for-
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petrified rock?
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Slides
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paper coal, and permineralized rock
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sympodial branching is
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when the axilary buds grow branches
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monopodial branching is
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when the terminal bud is dominent and the axilary buds stay sub
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Vocab:
decussate |
when opposite leaves or 90 degree angles with the pair below them.
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Vocab:
amphiphloic |
steele with phloem on both sides of xylem
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Vocab:
Ectophloic |
Siphonostele with phloem only on the exterior
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Vocab:
Polycyclic |
different ancestral pathways
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which is smaller protoxylem or metaxylem?
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protoxylem
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Secondary growth occurs in-
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seed plants, some fossil (but not modern) ferns, lycopsids, and horsetails
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What types of fossils represent the earliest evidence of plants?
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Micro fossils from Ordovician and Silurian and macro fossils
and macro fossils |
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Cryptospores differ from vascular plants by
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- no stomata on cuticle
- no trilete mark |
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What might tubes in cryptospores represent?
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fungal hyphae
could be mosses could be an elater (pics up h2o to open sporangia) |
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Earliest vascular land plant
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cooksonia
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rhyniophytes
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stem - Dichotomizing
sporangia- terminal dehiscence- stele - haplostele xylem - centrarch |
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zosterophylls
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stem - psuedomonopodial, with emergences
sporangia - borne laterally dehiscence - distal margin stele - haplostele xylem - exarch |
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trimerophytes
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Peg shaped emergences
dehiscence - split along length, sporangia - paired stele- haplostele or actinostele (pertica) xylem - centarch |
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Rhyniohyte genus
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rhyniaceae
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zosterophylls genus
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sawdonia
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trimerophytes genus
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psilophyton
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acritarch
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tiny fossils, earliest 400 million years ago
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1st trilete
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middle silurian, ambitisporites
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saccate pollen
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pollen with sacci that helps pollen float in water to be fertilized
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