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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

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?



If you want to learn more check out How do the elites get power?

101 ) * EXACT COPIES OF DNA (daughter cells)

Icir: reproduchon division

(4 unique US MEIOSIS * 1/2 the DNA gametes Chaploid daughter cells)

sporophyre - 2N (DIPLOID) * interchangebie We also discuss several other topics like Who is brian r. hunt?

point in life where plant is liberating spores. - gametophyte = 1N CHAPLOID)"

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 We also discuss several other topics like What is the romanesque?

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 is the general air cycle?

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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 We also discuss several other topics like What might be the inherent flaw in the concept of literary realism?

• 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. Don't forget about the age old question of How does cholesterol affect membrane fluidity?

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.

Stud

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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