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32 terms

Bio 112 Lab Chapt 4-5

Quiz review
STUDY
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Excavata
excavates
Chromalveolata
alveolates and heterokonts
Rhizaria
cercozoa
Archaeplastidia
red algae, green algae, plants
Unikonta
opisthokonts and amoebozoa
First eukaryotic organisms to obtain plastids via endosymbiosis
Archaeplastidia
Red algae
red plastid incorporated into diatoms, dinoflagellates, and coccolithophores via secondary endosymbiosis
Viridiplantae ("green plants")
chlorophyta and streptophyta
Archaeplastidia evolutionary trends
cellulose cell wall with sporopollenin coating
apical meristems
reproductive modifications
dominant sporophyte phase
vascular tissue
pollen and seeds
flowers and fruits
Chlorophyta- prasinophytes
relatively primitive forms
motile, marine phytoplankton
most similar to ancestor of all green plants
What type(s) of reproduction is/are used by chlorophyta
asexual and sexual
Subsets of Chlorophyta
Chlamydomonas, volvox, ulva
Streptophyta include...
charophyta and embryophyta
Characteristics of streptophyta
similar shape to flagellated sperm
phragmoplast forms during cell division
pre adapted for life on land
peroxisome enzymes
sporopollenin
Charophyta
derived green algae, similar to Embryophytes
Embryophyta Characteristics
land plants
alternation of generations
apical meristems
multicellular gametangia
walled spores in sporangia
Tracheophytes
vascular plants
sporophyte
diploid form of plant
sporangium
spore-forming structure
spores
haploid reproductive unit which becomes gametophyte
gametophyte
haploid form of plant
dioecious
separate male and female plants
monoecious
male and female parts on same plant
gametes
haploid reproductive unit which combines with another gamete to form a sporophyte
fertilization
union of egg and sperm to create zygote
zygote
single diploid cell formed by fertilization
embryo
developing diploid organism dependent on gametophyte
Hepaticophyta
liverworts
Bryophyta
mosses
Characteristics of Tracheophyta
Spermatopsids
life cycle with dominant sporophytes
vascular tissue
roots
leaves
sporophylls
Nonseed plants
lycopsids and pterophytes
Spermatopsida- the seed plants Characteristics
Gymnosperms and angiosperms
reduced gametophytes
heterospory
ovules
pollen
seeds