Friday, April 6, 2012

UPD Bio 12 2nd Lab Exam Notes (Monera and Protist Diversity)


Kingdom Monera and Kingdom Protista

DIVISION

PREDOMINANT PIGMENT
ACCESSORY PIGMENTS
RESERVE FOOD
COMPONENT OF CELL WALL
HABIT
HABITAT
ASEXUAL
SEXUAL
LOCOMOTION
DISTINGUISHING FEATURE
Cyanophyta Cyanobacteria


Chlorophyll a (Photosynthetic)
Phycocyanin Phycoerythrin

Cyanophycean

Peptidoglycan
Colonial
Filamentous
Unicellular
Marine
Freshwater
Soil
none
None

Gelatinous matrix
Gram-negative
Dinophyta Dinoflagellates
Xantophylls
(brownish-red or pinkish-orange)
Chlorophyll a & c
Fucoxanthin
Carotenoids
Oils
Polysaccharides
Cellulose plates
Solitary
Some colonial
Marine
Freshwater
Blooms in warm water
Cell division
Spindle outside nucleus
Permanently condensed nucleus
Not all members undergo sexual reproduction
2 flagella: transverse groove and longitudinal groove
Shells of interlocking cellulose plates, some has silicates
Store oils and polysaccharides

Chrysophyta Golden algae

Chlorophyll a
Chlorophyll c

Fucoxanthin
Carotenoids
Xanthophylls

Laminarin
Silica

Solitary
Marine
Freshwater

Cell division



Bacillariophyta Diatoms

Chlorophyll a
Chlorophyll c


Fucoxanthin
Carotenoids
Xanthophylls
Chrysolaminarin
Oils
Carbohydrates
Leucosin
Silica
Solitary
Colonial/ filaments
Marine
Freshwater

Cell division
Formation of sperm and eggs

Gliding
Radially or bilaterally symmetric cells Silica in shell


Euglenophyta Euglenoids

Chlorophyll a
Chlorophyll b

Carotenoids
Xantophyll

Paramylon/ Paramylum

--no cell wall--

Solitary
Freshwater ponds and puddles that are rich in organic matter


Cell division

Not known

Two flagella
Flexible outer covering


Chlorophyta Green algae
Chlorophyll a
Chlorophyll b
(Chloroplast, photosynthetic)

Carotenoid
Xantophyll

True starch

Cellulose
Some have scales rather than cell wall
Solitary
Colonial
Coenocytic siphonous (tubular)
Filamentous


Freshwater or land

Fragmentation
Cell division for unicellular

Isogamy, anisogamy, oogamy
Conjugation
Most flagellated at some pt in life cycle
Some nonmotile



Phaeophyta Brown algae
Chlorophyll a
Chlorophyll c
Fucoxanthin?
(Photosynthetic)

Carotenoids
Xanthophyll
Laminarin
Mannitol

Cellulose
Algin

Multicellular

Mostly marine
Zoospores
Fragmentation of thalli
Gametes
(flagellated)
2 flagella for reproductive cell
Blade
Stipe
Holdfast
Gas-filled floats
Source of iodine


Rhodophyta Red algae

Chlorophyll a
 (Chloroplast)

Phycocyanin Phycoerythrin


Rhodophycean or floridean starch (similar to glycogen)
Cellulose
Agar
Carrageenan
Calcium carbonate

Filamentous
Some unicellular
Warm coastal waters of tropical oceans
Freshwater
Soil


Gametes
(no flagella)


Nonmotile
Some are reef builders
Source of vitamins a & c, and minerals
Holdfast (root-like)


Myxomycota
Plasmodial slime molds




Spore: Chitin and/or cellulose
V:


Multinucleat
Leaf mulch
Forest floor
Moist soil
Damp, decaying forest floors
Spores in sporangia (haplid; nuclear wall made of chitin or cellulose)


Swarm cell (flagellated) + myxamoeba
Cytoplasmic streaming
Flagellated repro cells

Coenocytic
Chitinous cell wall
Acrasiomycota
Cellular slime molds



Spore: cellulose
V: no cell wall
V: unicellular
R: multicell.. slug


Moist soil
Spore formation
Observed only occasionally
Amoeboid
Cytoplasmic streaming
Haploid
Septate
Pseudoplasmodium
Oomycota
Water molds



Z: no wall
V: Cellulose
Cellulose, chitin, both
Coenocytic mycelium/body made of hyphae

Parasitic
Aquatic
Terrestrial
Zoospores (biflagellated) in zoosporangium

Oospores from zygote
Flagellated cells at some point in life cycle
Coenocytic
Cellulose cell walls
Diploid dominant life cycle
Chytridiomycota
Chytrids




Chitin

Unicellular
Aquatic
Moist soil
Parasitic





Coenocytic

Kingdom Fungi

DIVISION
COMMON TYPES
HABITAT
HYPHAE/MYCELIUM
ASEXUAL REPRODUCTION
SEXUAL REPRODUCTION
PARTS

Zygomycota (Algal-like fungi/zygote fungi)

Black bread mold
Soil
Decaying plant or animal matter
Parasitic; sapotroph

Coenocytic zygospore
Septa separates hyphae from reproductive structures
Nonmotile haploid spores called sporangiospores (zygote à meiosis à mitosis) in sporangia (spore sacs) at aerial hyphae/sporangiophore
Conjugation
Zygospores protects diploid zygote (fused hyphae)
Zygospore germinates to form aerial hypha
Chitinous cell wall


Ascomycota (Sac fungi)
Yeasts
Powdery mildew
Molds
Morrels
Truffles



Septate (perforated)
Non-coenocytic
Conidia (asexual spores produced by mycelium) in conidiophore tips (specialized hyphae) grows into a new mycelium upon contact with food
Budding for yeasts


Dikaryotic hyphae –grows from fused hyphae – forms ascocarp (fruiting body) where asci develop
Diploid zygote forms within ascus à meiosis à 4 haploid à mitosis à 8 haploid develop into 8 haploid ascospores (in ascus)
Chitinous cell wall, septate


Basidiomycota (Club fungi)

Mushrooms
Bracket fungi
Puffballs
Rusts
Smuts

Septate (perforated)
Non-coenocytic
Monokaryotic haploid hyphae of primary mycelium
Dikaryotic haploid hyphae of secondary mycelium




Conidia, if asexual stage is present
Mature basidiospore à primary mycelium (monokaryotic haploid) upon contact with environment à secondary mycelium (dikaryotic haploid) upon fusion of 2 primary à dikaryotic hyphae intertwine (buttons grow) to form basidiocarp à fusion of nuclei forms diploid zygote on gills à meiosis à 4 haploids move to edge of basidium à finger-like extensions develop à becomes 4 basidiospores
Pileus
Gills
Stipe
Annulus
Volva
Chitinous cell wall, septate

Deuteromycota (Imperfect fungi)
Molds
Verticillium
Wilt
Athlete’s foot fungus



Conidia

Not observed

Kingdom Plantae

DIVISION
PREDOMINANT PIGMENT
ACCESSORY PIGMENT
HABITAT
GAMETOPHYTE
(haploid)
SPOROPHYTE
(diploid)
ASEXUAL REPRODUCTION
SEXUAL REPRODUCTION
DISTINGUISHING CHARACTERISTICS
Bryophyta (Moss)
Chlorophyll a
Chlorophyll b
Xanthophyll
Carotenoid
Moist environment

Dominant
Leafy, green, perennial plant
Protonema + gametophore
Filamentous rhizoid
Gametangia formed by gametophytes:
F: archegonia
M: antheridia
Initially green and photosynthetic (has plastids), turns golden brown at maturity
Foot, seta, capsule/sporangium (calyptra, peristome)
Nutritionally dependent on gametophyte, remains attached
Smallest and simplest among modern plants
Has stomata

Protonema from germinating moss spores produces buds with tissue-producing meristems, which generate gametophore (gamete-producing structure)

Nonvascular
Dioecious
Most closely related to vascular plants
Lacks lignin
Sphagnum produces peat (undecayed organic material)
Anthocerophyta (Liverworts)
Chlorophyll a
Chlorophyll b
Xanthophyll
Carotenoid
Damp environment
Dominant
Flattened, ribbon-like,  lobed thallus
Underside: tubular, unicellular rhizoids
F: archegoniophores with archegonia
M: antheridiophores with antheridia
Develops from a zygote
Nutritionally dependent on gametophyte, remains attached
Smallest and simplest (simplest among bryophytes) among modern plants
Foot, seta, capsule

Gemmae (reproductive bodies formed by gametophyte) in gemmae cups (saucer-shaped structure on thallus)
Thallus branching
Archegonia and antheridia on thalli

Nonvascular
Thalli resemble lobes of a liver
Herbaceous
Hepatophyta (Hornworts)
Chlorophyll a
Chlorophyll b
Xanthophyll
Carotenoid
Disturbed habitats
Dominant
Superficially resembles liverworts
Produces multiple sporophytes
Archegonia and antheridia are embedded in gametophyte thallus
Unicellular, tubular rhizoids
Needle-like
Projects out of gametophyte thallus after fertilization and development
Continues to grow for the remainder of gametophyte’s life, remains attached
Nutritionally dependent on gametophyte
Smallest and simplest among modern plants
Has cuticle, stomata



Single large chloroplast in each cell
Herbaceous
















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