Lab Midterm Flashcards
land plants exhibit the sexual life cycle of
sporic meiosis
What is a protonema
a haploid meiospore multicellualar filament in liverworts and mosses
what phyla has homosporous members
arthrophyta
What phylum are red algae
rhodophyta
kingdom that includes protozoans, algae, and slime molds
protista
sporangia, spores, plasmodium, and plasmodial growth are all in which phylum
myxogastrida
are arthrophyta homosporous or heterosporous
Homo
are lycophta homosporous or heterosporous
heterosporous
what is homospory
what is heterospory
what are gymnosperms
seed coat
outside of bean
Cotyledons
bean half shaped first leavesep
Epicotyl
first real bean leaves
hypocotyl
becomes bean stem
radicle
becomes bean root
4 phylums of gymnosperms
cycadophyta, ginkgophyta, gnetophyta, coniferophyta
what is xylem
in seedless vascular plants, for water and minerals
only flows from roots up
wha tis phloem
in seedless vascular plants, for carbs and other nutrients
flows in any direction
4 phylums of seedless vascular platns
lycophyta, psilophyta, arthrophta, pterophta
3 nonvascular plant phyla
Bryophyta, hepatophtya, anthocerophyta
what is the largest group of seedless vascular plants
pterophtya
When the celery stalk was planted in a dye water, where all was dye found
only the xylem
can leaves take water through the pores?
no
Typically, flowering plants endosperm is ______ (_n)
triploid (3n)
the primary role of fruits is to ___
disperse seeds
In pollen development in flowering plants, a haploid microspore produced via meiosis undergoes ____ to make a __-celled pollen grain
mitosis; 2-celled
flowering plants are all in the phylum
anthophyta
embryo sac
mature female gametophyte
double fertilization
one sperm fertilizes egg to make zygote and the other fertilizes polar bodies to makes 3n endosperm (for food)
what does angiosperms mean
“seed in vessel”
what are the 2 major clades of the phylum Anthophyta
Monocots: 1 seed leaf (cotyledon), 3 flower parts, Parallel venation of vasc tissue
Eudicots: 2 seed leaf, 4/5 flower parts, leaves w netlike venation of vasc tissue
What is a cotyledon
seed leaf
what are the parts of the ovary wall of fruits? what is the ovary wall called?
Ovary wall: Pericarp
Exocarp: outerwall
mesocarp
endocarp: inner wall next to seed
If material outside of ovary is included, the fruit is an _______
accessory fruit
3 forms of fruit:
simple: derived from 1 pistil
aggregate: from separate carpels on one flower
multiple: from multiple flowers
2 types of dry fruit
dehiscent: splits open at maturity
indehiscent: doesn’t split
Male part of flower=
Female=
Male= anther
Female= ov
one or more carpels=
pistil
Flowerparts attached to receptacle in 4 _____.
what are the 4 parts
whorls
calyx- sepals (calyx means cover)
corolla- petals (think of a car)
androecium- stamens (male)
gynoecium- carpels (female_
Complete, incomplete, perfecrt, and imperfect flowers
Com: calyx+corolla+androecium+gynoecium
incom: 1+ whorls missing
perf: both androecium and gynoecium
imperf: missing andro or gyno
connation vs adnation
conn: fused within a whorl
adnation: fusing btw whorls
what are the “seed leaves” that are part of a dormant embryo in a seed
cotyledon
what are apical meristems
the growing tips of roots and stems
What life cycle do all sexual reproducing fungi have
zygotic meiosis
what are the conditions from growing in the dark called?
etiolation
what is an example of etiolation
longer stem for plants grown in the dark
sac fungi are characterized by having the products of meiosis formed in the _____
ascus
what acid is used in lab 6 to show the effect on dwarf and tall corn/pea plants
gibberellic acid
These are three locomotive structures associated with protists
Flagella, cilia, pseudopoida
Phylum of large, multicellular
marine algae whose pigments are
especially efficient in absorbing the
green, violet, and blue light that penetrates into the deepest ocean
waters.
Rhodophyta (Red alge)
Marine ameboids that secrete tiny calcareous tests
Foraminiferans
What phylum are liverwarts
Hepatophyta
This phylum contains only 1 living
genus with 15 species
arthrophyta
A cone-like structure that consists
of a cluster of sporophyllls
Strobilus
Root-like structures in nonvascular plants
rhizoids
Term for separate male and female
sporophytes
Dioecious
Called “naked seed plants”
because seeds are not covered by fruit
Gymnosperms
Food source inside the seed for the
dormant embryonic plant
endosperm
These aid in the dispersal of spores
elaters
The growing tips of stems and roots
Apical meristems
Term to describe a fruit that develops from many separate ovaries in a single flower
aggregate
Flowers with all 4 whorls are said to be this
Complete
Composite organisms including both a fungus and a photosynthetic partner living together in symbiosis
lichens
Sac Fungi phylum
ascomycota
Club-shaped reproductive
structures on which basidiospores resulting from meiosis are produced
Basidia
This occurs by fragmentation of the
mycelium or by the production of spores within sporangia or at the tips of modified hyphae.
Asexual reproduction
The term to describe fungal hyphae containing two nuclei
dikaryotic
6 phylums in phyla
Protozoans
Protists
Ciliophora, Apicomplexa, Radiolaria, Foraminifera, Eugenozoa, Gynoamoeba
(CARFEG)
What phylum is marine and secretes siliceous (glass-like) tests that are extremely fragile
Phylym Radiolaria
What movement is associated with Ciliates, flagellates, and pseudopodia
C: Fast, smooth
F: Slower, spiraling
P: slow, oozing
Ciliate with large, darkly stained macronucleus
Paramecium (Ciliophora)
Has many pseudopodia for locomotion and food capture
Ameoba (Gymnamoeba)
Parasitic flagellate living in vertebrate
Trypanosomes (euglenozoa)
Lives in blood of mammals + birds causes malaria
Plasmodium (apicomplexa)
Protists Phyla
4 Phylum of Algae
Cholorophyta (Green), Phaeophyta (brown), Rhodophyta (Red), Bacillariophyta (Diatoms) (CPRB)
Spore Forming parasite phylum
apicomplexa
What is the larges phylum of algae?
green
Unicellular, motile algae with 2 anterior flagella.
Has cup-shaped chloroplast and eyespot
Chlamydomonas
Colonial green algae
______ flattened + held together by gelatinous material
______ large spheres, covered in daughter colonies
Gonium
Volvox
Chlorophyta (Green)
non-motile, colonial algae
Multinucleate seperated by crosswalls
Hydrodictyon
Chlorophyta (green)
Non-motile, unbranced filament algae
Oedogonium
Chlorophyta (Green)
Ulva
_____cellular, large algae
_________ alternation of generations
mutlicellular organisms
isomorphic
Phylum includes marine seaweed and kelps
Large multicellular w/ flattened blade, stipe, and holdfast
Phaeophyta (Brown Algae)
Multicellular marine algae
Often found in deep waters and good at capturing green, blue, and violet waves
Rhodophyta (red)
What phylum are plasmodial slime molds
Phylum Myxogastria
Non-walled, multinucleate masses of protoplasm
plasmodial slime molds
In harsh conditions, plasmodial slime molds enter an alternate life form in which_____________ are produced
sporangia (stalked fruiting bodies)
what does plasmodium mean when italicized? Not italicized?
I: genus of phylum apicomplexa that is parastic (malaria)
not I: feeding stage of phylum myxogastrida slime molds
What life cycle are chlamydomonas and oedogonium
zygotic meiosis
What is the life cycle of Ulva
alternation of generations
What is the difference between gametic and zygotic meiosis
Z: Zygote directly undergoes meiosis and lives haploid. Undergoes Mitosis as 1N
G: Gametes formed directly by meiosis and lives diploid. Undergoes mitosis as 2N
What is alternation of generation (sporic meiosis)
mitosis in 2 positions in life cycle forms 2 distinct multicellular generation. Meiosis forms spores
3 phylum of non-vasc plants
Bryophyta (true moss), Anthocerophyta (hornworts), Hepatophyta (liverworts) (BAH)
What color is the gametophye and sporophyte in Phylum Bryophyta
Gam: Green
Sporo: Brown
What is the key structure for Phylum Bryophyta
sporophyte capsule
What are the 3 key structures for phylum hepatophyta
Gemma cup, antheridiophores, archegoniophores
What is unique about the sporophytes in phylum anthocerophyta
they can preform photosynthesis and therefore are green
Sporangium/sporangia
capsule structure that holds spores
Protonema/protonemata
germinated meiospores that are a filament of cells
antheridium
archegonium
anth: male
arch: female
seta
stalk of sporophyte
gametophyte
Sporophyte
G: haploid, gamete forming
sporo: diploid, spore forming
4 phylums of Seedless vasc plants
Psilophyta (whiskferns), arthrophyta (horsetail), pterophyta (true ferns), Lycophyta (Clubmoss) (PAPL)
fronds
Fern leaves
sori
cluster of sporangia in ferns (things under leaves)
prothallus
Thalloid structure in gametophyte generation
fiddlehead
tightly coiled new leaves on ferns
seed coat
outside of bean
cotyledons
bean half shaped first leaves
epicotyl
first real bean leaves
hypocotyl
becomes bean stem
radicle
becomes root
4 phylums in gymnosperms “Naked seeds”
Ginkgophya, Gnetophya, Cycadophyta, coniferophyta (GGCC)
Gymnosperm phylum with diecious nature
Ginkgophyta
What term means “seed in a vessel”
angiosperms
Other structures that may contribute to the fruit _______
accessory structures
What phylum are angiosperms and what are the 2 major clades
Anthophyta
Clades: eudicots, monocots
3 key characteristics of monocots
One cotyledon(seed leaf)
Flower parts in multiple of 3
Leaves w parallel venation
3 key characteristics of eudicots
2 cotyledons
Flower parts in multiples of 4/5
net live venation
What are the 4 whorls from outide-in
calyx-sepals
corolla- petals
androecium-stamens (M)
gynoecium-carpels (F)
Complete, incomplete, perfect, and imperfect flowers
Complete: all 4 whorls
in: missing 1+ whorl
perfect: both androecium & gynoecium
im: missing andro or gynoecium
Connation vs adnation
con: fuse within whorls
pro: fuse btw whorls
what is the ovary wall of fruits called
pericarp
if the ovary wall of a fruit is included, the fruit is an ____
accessory fruit
Simple, aggreate, multiple
Simple: 1 pistil
ag: separate carpels
multi: mutli flowers
dehiscent vs indehiscent fruit
de: splits open at maturity
in: doesn’t split open
What is the life cycle of fruits
alternation of generation (sporic)
Embryo sac
mature female gametophyte
double fertilization
one sperm fertilizes egg to make zygote and other fertilizes polar bodies to make 3N endosperm
what is endosperm used for
food in baby plants
Is a pineapple:
fleshy or dry?
simple, multiple, or aggregate?
accessory?
fleshy, multi
Is magnolia:
fleshy or dry?
simple, multiple, or aggregate?
accessory?
Dry, aggregate
Is a strawberry:
fleshy or dry?
simple, multiple, or aggregate?
accessory
dry, aggregate, accessory
is an acorn:
fleshy or dry?
simple, multiple, or aggregate?
accessory?
simple dry
is a tomato:
fleshy or dry?
simple, multiple, or aggregate?
accessory?
fleshy, simple
is an apple:
fleshy or dry?
simple, multiple, or aggregate?
accessory?
simple, fleshy, accessory
is a cucumber:
fleshy or dry?
simple, multiple, or aggregate?
accessory?
simple, fleshy, accessory
what does auxin tell the plant to do?
not grow outward
what does gibberellin tell a plant to do?
grow tallerw
hat is etiolation and what does it cause
due to growth in dark:
stem elongation, poor leaf development, lack of chlorophyll
What are asexual spores called
conidia + conidiophores
what is the asexual fungi stage called
imperfect
sexual fungi undergo ___________ m___osis and are produced in the _______
zygotic meiosis
gametanga
plasmogamy + karyogamy = _________
(and definitions)
syngamy
plasmogamy: fungal cells fuse plasma (N + N)
karyogamy: nuclei fuse making a 2N
what fungal group is defined by ascus
ascomycota
sac like
sac breaks open to release spores
What fungal is defined by basidum? where does meiosis happen?
Basidiomycota
Basidiospores
science name for: cap, gills, ring, and stalk of fungi
cap=pileus
gills=lamella
ring=annulus
stalk=stipe
2 symbolic relations w lichens
mycobiont: heterotrophic fungus offers shelter
photobiont: autotrophic alge produces food
3 forms of lichens
crustose, foliose, frutiose