Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
paedomorphasis
|
retention of juvinail or acnesra featuresin the adut
devalpment of larva progenisis acelration reach adulthood early functional gonads |
|
|
distance method
|
genitc distance
genetic identity look at ratlionships molecularly immunologial distantce mutational distance higer vaue mor closly realted gentic distance / idenati y ar inves of each other |
|
|
tipes of evolution
|
diveginet
paralel -- process convergant --end structure directional vs oppertunisice |
|
|
clausen keck heisey
|
clinal variasion
|
|
|
neotony
|
slow developmental rates
adild indvndual retaing juvina featurs |
|
|
background extinition
|
constant rate of loss over long period of time
widespered but local in scope 95% of loss why? enviramnter change tectonics sea leval change |
|
|
hetrochony
|
paedomorphosis vs neotony
each can be refart ot one on part ofthe animl nt whol animal |
|
|
Glogers rule
|
coloration temperatuer nad humididty
races in warm humid enviments are more pigmented than in colder drine envments (hair) fur color warm dry - reds/ yellows warm humid - lots of melinin cold humid -- whiteish cold dry -- tans browm |
|
|
parapatric vs alopatric
|
parapatric alopatric
no spacal isolation spacal isolation overlaping ranges genatic drift sibling spp overlap sell faveors isolating mechanisms that occur at the same time as shifts in eviranmet nitch |
|
|
Allens rule
|
protruding boady parts/ appedages and tempratiure
indivinut in coldre part of cline hav shorter protruding parts than in warmer arias works in plants corrilarey to bergmans rule |
|
|
simpson / grant
|
common liniage , nitch seletion
ecology |
|
|
Homologies
|
common ancestry mophologicaly funtionaly simmlar or dissimilar
|
|
|
mass extintion
|
loss of alge nuber of indvidis in a short time
5% of losses global same causes as bacgraoud or catastrphy ect |
|
|
renschs rule
|
clutch size and temprature
realted to r and k seletion # eggs in cluch is smaer as go twards equater (warm) cluch sie is higher away from eq (cold) true for both warm bloded and cold blod orgs hedge against unperditab env / crisis all withing singal spp cline! |
|
|
compatibility method
|
asumens most accurat tree is one tih the highest number of compatibiltys mophologica lor molecualr
|
|
|
Bergmans rule
|
body size and tempratur
vetabert indvaitn in colder areias are larger than tohos in warmer size decreses in latitudinal cline surfa ari to voum ratio and heat despresion |
|
|
examols of circular overlap
|
gulls
grass frogs warblers grat tit drasphila sycamore CA and AZ in ciaral al lcan mate exapt termanal ends |
|
|
rapoports rule
|
spp. adapted to coller climats have wider distabution of latitueds than werm adapted spp
tropical vs temprat lookig at diffent spp not with in spp |
|
|
maximum parsimony
|
minimize number of evoutaiter chagens reqiert to construct a philogentic tree
rooted tells chrnology and coomon ansester unrooted no directionality |
