new species
Flip
what are the isolating things for reproduction -> premating
Flip
significance of amborella + flowers being a source of diversity
Flip
amborella = only 1 species, flowers cannot be the sole source of diversity since it doesn't have lots of species like the sister group -> perhaps something about flowers
Next
what are the assumptions of phylogenies
Flip
- evolution histories are branching process (bifurcating) - data collected are representative of total pool - characters evolve in a parsimonious (simpliest) fashion
Next
3 MISSIONS
Flip
describe the relationship between viridophytes, glaucophtyes, and rhodophytes?
Flip
rhod. + virid. -> sister groups both are closer related to eachother than glauc.
Next
REQUIREMENTS FOR A PLANT
Flip
lycophyte synapomorphy
Flip
microphylls, tracheids
Next
TREE OF LIFE question
Flip
tokogenetic relationship
Flip
mating patterns that establish diversity
Next
what are apart of the "bryophytes"
Flip
Next
species concepts
most common
biological
phylogenetic
genelogical
morphological
smallest monoplyletic group that is diagnosable by derived shared traits intermixed organisms within a clade means they are probs same species
group of actual/potential interbreeding natural populations
look alike = species doesn't look alike = farther apart
species have to evolve differently than one another then they are seperate *kinda encompasses all the others
morphological cuz that's what is seen and to have a new species you need a type specimen
Tree of life question
Flip
what are the advantages of outcrossing
Flip
- increases biodiversity, gives new raw material for adaptation - reduce inbreed depression -hybrid vigor
Next
what are the promotions of outcrossing
Flip
- self incompatibility if pollen matches ovaries - heterostyly (styles + stamens different lengths) - protandry (when anthers open first) - herkogamy (spatial seperation of stigmas from anters
Next
gymnosperms
Next
gnetales
conifers
cycads
ginkgo
SPORO, gameto cones reproduction swimming sperm
SPORO, gameto cones NO swimming sperm boreal forests includes biggest + oldest organisms
one species SPORO, gameto highly modified cones reproduction swimming sperm
SPORO, gameto cones NO swimming sperm 3 genera = welwitschia, ephedra, gnetum
TREE OF LIFE QUESTION
Flip
homoplasy is
Flip
evolutionary parallelisms + reversals; species evolving similar traits not from common ancester
Next
Next
pollinators
bird
bat
bee
blue, yellow, purple strong scent day landing platform, nectar spurs nectar + pollen reward
red/bright no scent day tubular, ovary inside nectar reward
white-ish musky strong scent night showy/inflorescense nectar + pollen reward
alternation of generations
Flip
growth in sporophyte and gametophyte stages of life
Next
monilophyte synapomorphy
Flip
true leaves, overtopping, stem anatomy, tracheids
Next
id byrophytes
Next
hornworts
liverworts
mosses
dom green gametophyte stage net carbon
horn like sporophyte flattened gameotophyte
alligator skin leafy simple thalloid
allopatric vs sympatric speciation
Flip
sympatric = mutations, polyploidy allopatric = physical distance doesn't allow mating
Next
tree building methodologies
Next
maximum likelihood
bayesian methods
parsimony
fast good for large data posterior probability for a tree, given data
simple + easy based on occam's razor -> simpliest solution is the best
calculates data likelihood based on all trees slow but allows flexibility give a single tree
life cycle of embryophyte
Flip
sporophyte
gametophyte
Next
alternation of gens
Flip
bryophytes
*homosporous
Next
lycophytes
*can have m + f gametes hetero/homosporous
Next
monilophytes
*homosporous
Next
monilophytes
*homosporous
Next
gymnosperms
*have m + f gametes heterosporous
Next
angiosperms
*have m + f gametes heterosporous
Next
systematics flashcard Qs
Jasmine Chalmers
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Transcript
new species
Flip
what are the isolating things for reproduction -> premating
Flip
significance of amborella + flowers being a source of diversity
Flip
amborella = only 1 species, flowers cannot be the sole source of diversity since it doesn't have lots of species like the sister group -> perhaps something about flowers
Next
what are the assumptions of phylogenies
Flip
- evolution histories are branching process (bifurcating) - data collected are representative of total pool - characters evolve in a parsimonious (simpliest) fashion
Next
3 MISSIONS
Flip
describe the relationship between viridophytes, glaucophtyes, and rhodophytes?
Flip
rhod. + virid. -> sister groups both are closer related to eachother than glauc.
Next
REQUIREMENTS FOR A PLANT
Flip
lycophyte synapomorphy
Flip
microphylls, tracheids
Next
TREE OF LIFE question
Flip
tokogenetic relationship
Flip
mating patterns that establish diversity
Next
what are apart of the "bryophytes"
Flip
Next
species concepts
most common
biological
phylogenetic
genelogical
morphological
smallest monoplyletic group that is diagnosable by derived shared traits intermixed organisms within a clade means they are probs same species
group of actual/potential interbreeding natural populations
look alike = species doesn't look alike = farther apart
species have to evolve differently than one another then they are seperate *kinda encompasses all the others
morphological cuz that's what is seen and to have a new species you need a type specimen
Tree of life question
Flip
what are the advantages of outcrossing
Flip
- increases biodiversity, gives new raw material for adaptation - reduce inbreed depression -hybrid vigor
Next
what are the promotions of outcrossing
Flip
- self incompatibility if pollen matches ovaries - heterostyly (styles + stamens different lengths) - protandry (when anthers open first) - herkogamy (spatial seperation of stigmas from anters
Next
gymnosperms
Next
gnetales
conifers
cycads
ginkgo
SPORO, gameto cones reproduction swimming sperm
SPORO, gameto cones NO swimming sperm boreal forests includes biggest + oldest organisms
one species SPORO, gameto highly modified cones reproduction swimming sperm
SPORO, gameto cones NO swimming sperm 3 genera = welwitschia, ephedra, gnetum
TREE OF LIFE QUESTION
Flip
homoplasy is
Flip
evolutionary parallelisms + reversals; species evolving similar traits not from common ancester
Next
Next
pollinators
bird
bat
bee
blue, yellow, purple strong scent day landing platform, nectar spurs nectar + pollen reward
red/bright no scent day tubular, ovary inside nectar reward
white-ish musky strong scent night showy/inflorescense nectar + pollen reward
alternation of generations
Flip
growth in sporophyte and gametophyte stages of life
Next
monilophyte synapomorphy
Flip
true leaves, overtopping, stem anatomy, tracheids
Next
id byrophytes
Next
hornworts
liverworts
mosses
dom green gametophyte stage net carbon
horn like sporophyte flattened gameotophyte
alligator skin leafy simple thalloid
allopatric vs sympatric speciation
Flip
sympatric = mutations, polyploidy allopatric = physical distance doesn't allow mating
Next
tree building methodologies
Next
maximum likelihood
bayesian methods
parsimony
fast good for large data posterior probability for a tree, given data
simple + easy based on occam's razor -> simpliest solution is the best
calculates data likelihood based on all trees slow but allows flexibility give a single tree
life cycle of embryophyte
Flip
sporophyte
gametophyte
Next
alternation of gens
Flip
bryophytes
*homosporous
Next
lycophytes
*can have m + f gametes hetero/homosporous
Next
monilophytes
*homosporous
Next
monilophytes
*homosporous
Next
gymnosperms
*have m + f gametes heterosporous
Next
angiosperms
*have m + f gametes heterosporous
Next