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GVSU / Biology / BIO 10225 / What is the meaning of phylogeny?

What is the meaning of phylogeny?

What is the meaning of phylogeny?

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What is the meaning of phylogeny?



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810 109 The plant kingdom/Plant life cycles 09/13 / 2016 Plant PHOTOGENY - plant geneology nos discular) 1 • Bryophytes mosses and liverwarto lack Xylem & Phloem. 20 seediess vascular Ferns B. Gymnosperm


What are the types of bryophytes?



to Angiosperm flowering plants * PLANTS RETAIN EM BK yos -plant sexual reproduction If you want to learn more check out What is the first settlement (was not a city) in southern mesopotamia?

gametes = sperm & legg

Hozygote fertilized egg Mitosis) becomes DIPLOID organism

DIPLOID 2 @ chromosomes 2Njar

HAPLOID I chomosome 1N gametes)

meiosis + [makes 2N TO INSPORES] + miteosis + Haploid MALTOCIC Cell division growth and repair


What are seedless vascular plants?



101 ) * EXACT COPIES OF DNA (daughter cells)

Icir: reproduchon division

(4 unique US MEIOSIS * 1/2 the DNA gametes Chaploid daughter cells) If you want to learn more check out What is the matlab?

sporophyre - 2N (DIPLOID) * interchangebie

point in life where plant is liberating spores. - gametophyte = 1N CHAPLOID)" If you want to learn more check out What is maria laach in germany?

gametes-point in plant's cycle. -Green Algae features in common w/ plants *

bogamy oplant-like o "Rooted • Branches LDOESNT RETAIN EMBRYO - EMBRYOPHYTE - plants all RETAIN an EMBRYO

identich

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1+ BRYOPHYTES = mosses I liver worts

most primitive plant o retains embryo (Alternation of generations) Dominant generation is the haploid gametophure generation upon which 2NSporophyte If you want to learn more check out What is the cold air standard?

generation developed & is dependant

* most of plants life is spent making eggs/sperm-gamete unique * Also, lacks Xylem of Phlome We also discuss several other topics like What might be the inherent flaw in the concept of literary realism?
Don't forget about the age old question of How does cholesterol affect membrane fluidity?

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9/13/2016 Sphagnam poles noss courbon Storage

peat moss - absorbant (history-dress wounds, primi hue diapers...) - Bryophytes are very small (be they lack vascular tissue), Food for, florists)

mammals/birds, prevent soll erosion, comercially (feel, soil conditionnal - LIVERWORTS = most simple - SUPER dependent on water

• vs. moss mosses have the stomata) *NO STOMATA * cannot regulate water loss - poret on epidermis that doesnt close

Gemmae in cupue - asexual (relateeks) reproduction needs water for reproduction-water to mobilize sperm F ALTERNATION OF GENERATIONS

- Animals - gametic merosis - production of egg/ sperm. - Fungi - zygotic merosis - zygore undergoes merosis - always Hapton - Plants - acest

• need water for sexual reproducnon water to mobilize.

spean spores = dispersal unit bc they dont have seeds - the ANTHERIDA - makes le houses Sperm in all plants: MALE) -the ARCHEGONIA = Female housing for egg...

01/15/

2016 FERNS Ş FERN ALLIE Horsetails, club mosses, ķ Ferns - PHYLA

•Has vascular tissue Xylem (conducts water), phloem (conducts sugar). hylum - Psilophyta - WHISK FERNS

-Sphenophyta - EQUISETUM

lyrophyta - CLUB Moss - Prerophyta - TRUE FERNS whisk ferns

- most primitive of living phyla : no ROOTS, no LEAVES L photosynthetic stems Dichotomous Branches forking & Equisetum

-most ancient l scoring rush - Silica ll Horsetails

sporanga in strobilus, club moss leaves are spirally anu ananged ll evergreen II Strobilus

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lover

pants

eurdie don

FERNS

09/15/2016

• spore tetrads opores stick together - Flamable (flash photography)

Ferns Typical: Horizantal stem Rhizome I leaves: Frondall sporangia on back side of leaves : sori

fern fiddle heads -coilled baby fern. - super duper deverse - highest #of species

Sporophyte dominate generation / spores-dispersa unite Il water

for reproduchor Has vascular tissues a I lospores germinate to create gametophytes]

Gametophyte (=prothallus) Bisexual & photosynthetic.

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naked

embryo

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Gymnosperm . HASSEEDS!!

Seeds have outer prodective layers (protection & nutrients for developin

IN Megagametophyte NUTRIENT I 2N seed coat PROTECTON * Doesnt need water for reproduchon - Wind sperm & POLEN Goog opollen grain has wings to fly whe wind.

- FOUR GROUPS 3. goma cont 1. cycadophyta - CYCADS

babya 2. Ginkgophyta - GINGKO BILOBA

3. Coniferophyta - PINUS / CONIFERS

4. Gnetophyta - GNETUM. CYCAOS [ropical]

palms fer palmsunday / 10016 cones / Dinosaur agellcones are loxic) -GINKO BILOBO

"only lwing species top selling herbal remedy

female stinky seed -GNETUM (African vegatable]

Cephedra ephedrian decongestant & Meth..I tea o - Pinus colevatest + CONTFERS

•Christmas trees Iconifers cones / most DIVERSE Economic uses-o lumber / LOIRGEST: Sequoia Tauest Redwood

oldest living tree species-longest life!

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seed coat

2upward

vid to catch

pollen

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Stud

PINE

male cones mere

Female ule of pollen auf pine cone

naked seeds behol

fruit to cover seeds) -wind dispersal of pollen up to neighboring female

Icone

seed coat protects embryo from elements like UV rays,

heat, decay (bacterial & Gymnosperm significances.

• Ecological importance: -

-food/ nabitat for wild life ll-prevent soil erosion

- reduces greenhouse effect gases (winter-con goes up)

• Economic & commencial importances.

- lumber for wood, paper. etc - Resins - wood, furniture

ornamental plants aka landscaping

-food - pine nuts (pesto)

PLANT UNG DOM Review

02:16-0016

summary 1. Bryophytes

• Draw and label a gymnosperm seed Canossesliver cuorts)

a embryo lack of vascular tissue dispersal

Wh-sead coat Dominate gametophytegen water for 2 Ferns & Allies

sexual

female gametophyte (food) "contains Xe Ph

• know entire life cycle Dominate sporophyte gen. I

*word bank is provided 13. Gymnosperms a

(Sporangia spore bearing) Has seeds!! naked (vascular hissue

spore mother cells . Dom, sporophygare Polien (sperm] : wind!

LAB NOTES

Espore

reproduction

Stu

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