nonvasular and vascular Flashcards

1
Q

Plant kingdom

A

Eukaryotic
Multicellular
Autotrophic
Contain Chlorophyll a
Cell Walls Containing Cellulose
Alternation of Generations

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2
Q

Bryophytes

A

Liverworts, Mosses and Hornworts
Most primitive group of terrestrial plants
Small
Green
Root-like structures called rhizoids
Do not possess specialized vascular tissues
Moist habitats

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3
Q

Bryophyte Anatomy

A

Rhizoids
Thallus
Alternation of Generations
Gametophyte is the dominant phase
Antheridia
Archegonia

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4
Q

Plant life Cycle Alternation of Generation

A

meiosis–spores–mitosis–Gametophyte–mitosis–Egg,Sperm–Fertilization–zygote–mitosis development–embryo–Sporophyte

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5
Q

Phylum Heapiticophyta Liverworts

A

Asexual Reproduction
Gemmae cups

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6
Q

Bryophyta, Hepaticopsida, Anthocerotopsida

A

non-vascular all
B-similar structure to leaves, (moss)
H-branching and ribbonlike, (liverworts)
A-horn like structure, (hornworts)

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7
Q

Liverworts Sexual Reproduction(female/male)

A

liverworts develop miniature umbrella-shaped structures, both male and female.
female-pointy edges
Sperm from the male reproductive organ (antheridium) antheridia travel through an aqueous environment to fertilize the eggs that are still retained in the female reproductive organ (archegonium) archegonia.

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8
Q

Phylum BryophytaMosses

A

Asexual Reproduction by fragmentation
Sexual Reproduction

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9
Q

Phylum AnthocerophytaHornworts (Anthocerotopsida)

A

Sporophyte is shaped like a long, tapered horn
Spores are produces in the horn
Arechegonia are not discrete organs

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10
Q

Survey of the Plant Kingdom

A

Seedless Vascular Plans of the Phyla Pterophyta and Lycophyta

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11
Q

Seedless Vascular Plants

A

Phylum Pterophyta
- True Ferns
- Whisk Ferns
- Horsetails
Phylum Lycophyta
- Club Mosses

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12
Q

Seedless Vascular Plants

A

Vascular System
Xylem
Phloem
Sporophyte is the dominant phase
Sporophylls
Sporangia
Require water for fertilization

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13
Q

Fern (Sporagnia)

A

Fern spores germinate and form thread-
like protonema.

Subsequent
cellular divisions
produce
prothallium.

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14
Q

Phylum Pterophyta

A

Whisk Ferns-thin long dot
Horsetails- big busy tall

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15
Q

Club Mosses

A

True roots, stems, and leaves
Sporangia occur on small modified leaves called sporophylls clustered in strobili (cones) that form at the tips of branches.

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