Friday, April 6, 2012

UPD Bio 12 Lab 3rd Exam Notes (Plant and Moneran Diversity)


Kingdom Monera
-       prokaryotic


Archaebacteria
Eubacteria

CHARACTERISTICS
Extreme temps
  1. Thermoacidophiles
  2. Halophiles
  3. Methanogens ( garbage, digestive tract)
  1. gram positive
  2. gram negative
  1. chlorophyllous
  2. achlorophyllous

CELL WALL
Present without peptidoglycan
Present with peptidoglycan

EXAMPLES
Halobacterium
    1. Non Chlorophyllous (gram negativespecimens)
  1. Rhizobium ( gram negative aerobic): n2 fixers in your mongo
- looks like a violet big round circle
  1. Enterobacteria ( intestine)
  1. escherina coli:  ( gram negative facultative anaerobic rods
-       causes salmonella
-       tells coliform bacteria and count in water
----- non c. gram negative specimens: both are opportunistic
  1. streptococcus) gram positive actinomycetes: mutants, mouth; toothdecay
  2. s.pheumoniae: pneumonia
  3. staphylococcus aureus: skin, pimples
-       small beadlike but are in clumps
  1. spirilum
  2. clostridia: clostridium botolinum: cans ( gram + endospore)
  3. bacillus: bacillus thurigiensis: bt corn

    1. Chlorophyllous Eubacteria
-       Gram Negative photosynthetic bacteria
-       Cells may be: coccoid- single or colonial; trichomate
1.     Anabaena ( straight form in lumps vs. nostoc)
- squarish with roundish type with heterocysts
2.     Nostoc
-       filamentous with prominent heterocyst
-       parang walang laman ang mga circles vs. anabaena
3.     Oscillatoria
-       cylindrical strip like ang form with linear division hindi circular





FUNGI

-       achlorophyllous
-       heterothropic, absorptive feeder
-       classified into: protest fungi and true fungi
-       no true stems, roots or leaves


Lichens
Phycobiont- green algae,cyano
Mycobiont- asco, basidio
 Based on thallus arrangement
Fruting body: apothecium

Spores or asexual repro by powdery masses called SOREDIA

 
PROTIST FUNGI ( KINGDOM PROTISTA) ( MACO)
Cellulose cell wall
  Division Myxomycota
D. Acrasiomycota
Oomycota
Chytridiomycota
-       plasmodial slime molds
-       obligate parasites in plants and algae
-       somatic phase: PLASMODIUM that moves in amoeboid manner
-       mature plasmodia form fruiting bodies
-       cellular slime molds
-       no plasmodial mass
-       amoeboid form may exist and pool up to make a fruiting body
-       water molds
-       biflagellated zoospores
-       zoospore stage with whiplash flagellum
-       only protist fungi with cell wall of chitin
-       may form hyphae at some point in life cycle
Repro
Oogamous sexual, nonmotile egg
Cell wall
Cellulose not chitin
Stemonitis- no sample
Dicytyostelium- no sampLe
Saprolegnia
-       either round green with some bits inside – the oogonia
-       or oogonia with a mycelium attached, hairlike
No sample
TRUE FUNGI

D. Zygomycota
D. Ascomycota ( 4 tapos 8)
D. Basidiomycota
D. Deuteromycota
Habitat
Terrestrial saprobes, parasitic to animals, plants and humans
Saprobic, parasitic in plants, animals or humans
Saprobic on plants or insects
Imperfect fungi, no sexual stage
Body Morphology

Unicellular or filamentous
Filamentous

     Asexual
Nonmotile spores in sporangia/conidia
Budding, fragmentation, production of conidia- airborne spores  (n)
Fragmentation or conidia
Imperfect conidial stage
    Sexual
Fusion of morpholophologically similar gametangia, may differ in size, resulting in thick walled zygospores
Ascoscpores in ascis – ascogonium and antheridium due to fusion of similar mycelia ( apothecium)
Basidiospores produced by basidia

Fruiting Body

Ascocarp ( ascus, asci)
Basidiocarps ( basidium, basidia)


Rhizopus Stolonifer, black bread mold
  1. Sporangium- head
  2. Sporangiospores- inside the head
  3. Sporangiophore- stalk
  4. stolon hypha- upper part root
  5. rhizoid hypha- lower part root
Aspergillus niger
-       green mesh with black bodies
Penicillium
-       black body like a rambutan-LPO
-       wand like with a forked end
Peziza
-       saddle like purple watermelon in half
-       upper hairy projections are the ASCI: ascospores
- when magnified: 8 spores
Agaricus ( bottom mushroom)
Auricularia ( tengang daga)
Polyporus ( poisonous) with xs section-----with how many spores inside the curl (4) – curl andun ang basidium na club shaped
Ganoderma ( scalloped mushroom)
-       Pileus- cap ng mushroom
-       gills- under the pileus
-       stipe- stem
annulus-ring in the stipe
Coprinus- gills, round and tentacles xction


  1.  




ALGAL LIKE PROTISTS
-       heterogenous group with at last having one chlorophyll a pigment
characterized by:
1.     relatively undifferentiated into organs morphologically
2.     low level of differentiation in reproductive structures
3.     no embryo
4.     less regular pattern of life cycle

D. EUGLENOPHYTA
D. BACILLARIOPHYTA ( DIATOM)
D. PHAEOPHYTA ( BROWN ALGAE)
D. RHODOPHYTA ( RED ALGAE)
Morphology
Unicellular, flagellated
Unicellular or colonial
Multicellular organisms
Cell wall: cellulose
-       iodine
-       _______._______
Multicellular
Cell wall: cellulose
-rich in vit a and c
macrophyphytic algae: seaweed vs. seagrass
sugar; glycerols
Major pigment
A and b
A, c, fucoxanthin
A, c masked by fucoxanthin
A masked by phycoerythrin
Photosynthetic product
Paramylon
Chrysolaminarin
Laminarin or manitol
Rhodophycean starch
Example
Euglena
Diatomaceous earth

PADINA ( clear)
- flattened expanded thallus with distinct concentric lines
SARGASSUM ( green)
- flattened leaf structures with dots
TURBINARIA
-       turbinate leafllike structures, yellow
-       think wolfgang puck
-       parang bolt cutter
EUCHEUMA
- lomi
GRACILARIA
- bihon
GALAXAURA
-       misua




D. CHLOROPHYTA ( Green algae)
Morphology
Motile, non motile/ single celled or multicellular, chlorphyllous
Major pigment
A and b
Photosynthetic product
starch
Asexual reproduction
Fragmentation, zoospore formation, simple mitosis
Sexual
Oogamy, anisogamy, or oogamy
Example
BOERGESENIA
-       brown wheel like center with projecting white tentacle like structures
CAULERPA
-       green grapes
-       thallus consist of  distinc stem, root, leaf like structures
CHARA
-       parang giniikan na may intermediate flowerlike filaments in between
-       xs section: upper conelike is archegonium; round body is the antheridium

HALIMEDA
-       corn flakes
-       flattened, scalloped thallus
-       either green or white
DESMIDS
-       CLOSTERIUM
-       MICRASTERIAS
OEDOGONIUM
SPIROGYRA




Seed-bearing vascular plants

GYMNOSPERMS
-       pines, firs, spruces, cycads
-       well developed cones bearing unprotected seeds on the surface of the scales



DIVISION CYCADOPHYTA
CONIFEROPHYTA

Dioecious
Monoecious, mostly shrubs or trees

Palmlike or fernlike forms
Scale like or needle like, usually evergreen

Strobili present
Male cones: pollen clones
Female cones are called ovulate cones

CYCAS
PINUS


ANGIOSPERMS

-       independent sporophte ranging in size at maturity from herbs to trees
-       formation of 2ndary xylem ( vessels and fibers) and phloem from cambial activity
-       large laminar leaves variedly shaped
-       highly modified stem and leaf structures, esp. flower
-       produces microspores, microspores
-       occurrence of double fertilization
-       formation of seeds inside the fruit
-       seeds containing food reserve tissue called endosperm
  

CLASS MONOCOTYLEDON/ LILIOPSIDA

CLASS DICOT/MAGNOLIOPSIDA
EMBRYO
undifferentiated

VENATION
parallel venation
Net-veined
VASCULAR BUNDLE
Scattered or in 2 or more rings
Ring
FLOWER, except carpels
carpels in 3s or 4s
4s and 5s
ROOTS
adventitious
Primary or adventious

10% woody, mostly in family palmae
50%











DICOTS/ MAGNOLIOPSIDA


Shrubs
Herbs
Trees

Leaf
Ovary
Fruit
Flower
Solitary
Inflourescence

Malvaceae
( mallow family)
x
x

With mucilaginous sap
Simple, alternate, stipulate
S

+
Cyme, raceme

Rutaceae
( citrus or rue)
x

x
With aromatic glands
S
Hesperidium
+
Cyme, rarely raceme

Mimosaceae
( mimosa)
x
few
x
Stipulate, mostly bipinnate
S
Legume/pod

Head
( spike or raceme)

Regular, bisexual
Caesalpiniaceae
( cassia family)
x
x
x
Stipulate, usually alternate, pinnate or bipinnately compound
( rarely simple as alibangbang)
S
Legume/pod
rare
Raceme or spike rare corymb
Bisexual, irregular
(caesalpinaceous)
Papilionaceae
( pea or bean)
x
x
x
Stipulate, simple or pinnately compound or
Palmate
Trifoliate; usually alternate
S
Legume/pod
some
Raceme, head, spike
Bisexual, irregular
( papilionaceous)
Cucurbitaceae
( gourd family)

Tendril bearing


I
pepo
Some members
cyme
Unisexual
Rubiaceae
( coffee or madder)
x
x
x
Simple, opposite, whorled, stipulate
I


cyme
Regular, gamopetalous, bisexual
Compositae/Asteraceae
( sunflower family)
Some
X
Few
U:alternate,
S: opposite
R: whorled
I
Achene, spefically cypsela

head

Apocynaceae, dogbane



Plants with milky sap
Exstipulate,
Simple, o or w
S
Usually berry or capsule


Complete, regular
Solanaceae, potato or nightshade
X
X
Rare
Simple
Alternate pinnately compound in tomato and potato
S
Berry or capsule
Some
Cyme
Bi, reg, gamopetalous
Anacardiaceae, cashew
X
X

Simple, pinnately compound, alternate
S
Drupe

Panicle
Regular
Euphorbiaceae, spruge
X
X
Small
Mostly simple, alternate,stipulate
S
Capsule, sometimes Drupe
+
H variable:
R, s, c,
Unisexual, regular
Lamiaceae, mint
Square stems
Aromatic

Simple, opposite, EXstipulate
S


Cyme
Complete, irreg bilabiate
Amaranthaceae, pigweed

MOST

SAME
S

+
Spike, r,h
Reg, bisexual








MONOCOTS


Shrubs
Herbs
Trees

Leaf
Ovary
Fruit
Flower
Solitary
Inflourescence

Orchidaceae, orchid

X


Simple, aternate, rarely opposite
I
Capsule
Some
Variable: s, r,panicle
Bisexual, irregular, orchidaceous
Alliaceae/ Liliacea, lily

With bulbs, corms, rhizomes


Simple
S
Capsule or berry


Regular, bisexual, rarely unisexual
Arecaceae/Palmae, Palm
X

X

Palmate, pinnate, usually large
S
Berry or drupe

Panicle, spadix
Regular
Cyperaceae, sedge

Triangular, solid sterms


Grass like, three ranked,
Closed sheath
S
Achene or nut

Spikelet, usually arranged in r,p,s,u

Poaceae/Gramineae, Grass
RARE
X
RARE
Round, joined stems, with hollow internodes
Simple, alternate,
Tworanked
Open sheath
S
Grain, caryopsis

Spikelet
Arranged in
S,r,p
Irregular
Muaceae, banana

Giant like trees


Very large, alternate
I
Berry, capsule or schizocarp

fascicle
Unisexual, regular


FERN ALLIES

-       dominant sporophyte generation
-       homosporous lahat
-       extension ay enations


PSILOPHYTA
LYCOPHYTA ( club moss)
SPHENOPHYTA

 None, just rhizoids and rhizome
 With true roots
Small shrub

Small, minute, one veined
Microphylls, small scale like, spiral, needlelike


Dichotomous branching

Jointed stems with regular alternations of whorls of reduced megaphylls mistakened for leaves

1. PSILOTUM
- upright, dichotomous branching
- y like branching
- sa branching, isang branch ay isang prophyll na eventually ay mag give rise sa sporangia

  1. LYCOPODIUM
-       parang pine ang leaves
  1. SELAGINELLA
-       blue green fern
-       heterosporous with microspores and megaspores
-        
EQUISETUM
-       mahal na fern allies
-       jointed ribs walang branching
-       yung whorls= reduce megaphylls
spore at tip, localized at storobilus, strobili







FERNS
-       moisture loving, shade  tolerant,
-       alternation of generation
-       sporophyte determinant
-       sori- lump of spores
-       development of fronds is through circinnate venation

1.     THOSE WITH TRUE INDUSIUM
-       NEPHROLETIS: tapering
-       CHRISTELLA- magandang parang xmas tree na may wedges ang leaves
    1. FALSE INDUSIUM
-       PTERIS: mas malago, mas malaki ang internode ( ladder break)
-       ADIANTUM ( Philippine maiden hair)
    1. UNCLASSIFIED
-       ASPLENIUM: birds nest fern
-       HEMIONITIS: apatan
-       CHEILANTHES ( diliman lip fern)

Heart shaped- prothallus gametophyte

Main line in middle: young sporophyte
Uppder part with archegonia
Down antheridia, dot dot dot
Rhizoids buhok buhok

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