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Botany Terms: Gymnosperms and Angiosperms Reproduction, Quizzes of Biology

William & MaryBiology

Definitions and examples of key terms related to the reproductive structures of gymnosperms and angiosperms. Topics include the four phyla of gymnosperms, microsporangiate strobili, microsporophylls, microsporangia, microsporocytes, microgametophytes, prothallial cells, generative cells, tube cells, megasporangiate strobili, scales, and the female gametophyte. Angiosperm classes are also introduced.

Typology: Quizzes

2012/2013

Uploaded on 04/07/2013

youngmusician86
youngmusician86 🇺🇸

22 documents

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TERM 1
4 phyla of gymnosperms/ examples from
lab
DEFINITION 1
Cycadophyta - cycads
Coniferophyta - pines
Ginkophyta - maidenhair tree/ gingko
Gnetophyta - Ephedra, Welwitschia, Gnetum
TERM 2
Microsporangiate
strobili
DEFINITION 2
Male conesReproductive structure of modified leaves
grouped terminally on a stem
TERM 3
Microsporophylls
DEFINITION 3
Leaflike organ bearing one or more microsporangia
TERM 4
Microsporangia
DEFINITION 4
Pollen sacsSporangium that produce spores that become
male gametophytes
TERM 5
Microsporocytes
DEFINITION 5
Microspore mother cellsCell where meiosis occurs, resulting
in four microspores
pf3

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4 phyla of gymnosperms/ examples from

lab

Cycadophyta - cycads

Coniferophyta - pines

Ginkophyta - maidenhair tree/ gingko

Gnetophyta - Ephedra, Welwitschia, Gnetum

TERM 2

Microsporangiate

strobili

DEFINITION 2

Male cones Reproductive structure of modified leaves

grouped terminally on a stem

TERM 3

Microsporophylls

DEFINITION 3

Leaflike organ bearing one or more microsporangia

TERM 4

Microsporangia

DEFINITION 4

Pollen sacsSporangium that produce spores that become

male gametophytes

TERM 5

Microsporocytes

DEFINITION 5

Microspore mother cellsCell where meiosis occurs, resulting

in four microspores

Microgametophytes

Male gametophytesPollen grains

TERM 7

Prothallial cells

DEFINITION 7

Sterile cells in male gametophytesl remnants of vegetative

tissue

TERM 8

Generative cells

DEFINITION 8

Gymnosperms: Cell of male gametophyte that divides to

form sterile spermatogenous cellsAngiosperms: cell of male

gametophyte that divides to form two sperm

TERM 9

Tube cells

DEFINITION 9

cell of male gametophyte that develops into pollen tube

TERM 10

Megasporangiate

strobilus

DEFINITION 10

Reproductive structure of ovule bearing scales grouped

terminally on a stem