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Evolution

QuestionAnswer
Cornerstone of natural selection Variation
Darwin's focus on variation started with Barnacles
What did Darwin say about barnacles? “I hate a barnacle as no man ever did before.” — Charles Darwin
Related species to barnacles Crabs
Darwin’s finches were discussed heavily in Origin of Species False
Darwin never saw natural selection in action True
Geospiza are Ground finches
You can tell each finch species by size alone False
You can tell each finch species by island alone False
David Lack noted Species differences were badly defined — “In no other birds are the differences between species so ill defined.
Darwin’s finches were initially famous for Disinclination to human hands (not afraid of people)
Finches are afraid of Owls and hawks
Dirt was sifted for Seed count
Peter and Rosemary Grant are known for First people to see evolution in action
McGill Nutcracker Used Pliers with scale attached (measured force; seeds didn’t break)
Newtons Studied Force Index
Heritability Traits passed from parents to offspring
Boag said about Daphne Major People work there because it’s simple, not because it’s nice
David Lack noted work on species interaction in Paramecium spp.
John Endler worked with Guppies
Variation frustrates predators by disrupting their search images
Pod members care for sick or injured members True
Fertilization in pinnipeds is Internal; males compete for harems on land
Sexual play in marine mammals is common
Delayed implantation Some species use it
Spermathecal recesses False cervixes
Gestation time 11-12 months
Cetaceans are born Tail first
Created by: katievp7
 

 



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