Exam in progress
Evolution, from speciation to conflict and cooperation bwn species
New element
Draw pictures in answers
Had students practice all semester
One drawing lesson per lecture
Also checking on Philip Ball's
#HowLifeWorks
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#speciation
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Gene flow and habitat heterogeneity shape coexistence dynamics of Arctic charr morphs in connected lakes. Han Xiao, et al
Submitted to Molecular Ecology,
preprint on Authorea.
#ecology #Evolution #popgen #charr #salmonid #diversity #geneticdiversity #metapopulation #speciation #geometricMorphometrics
Diversity in the feeding elements of Arctic charr, in lakes Þingvallavatn and Myvatn
Guðbjörg Ósk Jónsdóttir presents her paper
https://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0300359
In #Mývatn #conference
#evolution #speciation #charr #lake
Húsafell spring system
Big underground river feeds a special habitat
Home to dwarf charr
#evolution #charr #speciation #Iceland #Húsafell
How interspecies competition led to a 'bizarre' pattern in our own evolutionary tree
https://phys.org/news/2024-04-interspecies-competition-bizarre-pattern-evolutionary.html #human #evolution #interspecies #competition #speciation
phys.orgHow interspecies competition led to a 'bizarre' pattern in our own evolutionary treeCompetition between species played a major role in the rise and fall of hominins—and produced a "bizarre" evolutionary pattern for the Homo lineage—according to a new University of Cambridge study that revises the start and end dates for many of our early ancestors.
The fitness landscape of a community of Darwin’s finches
Basically confirms and expands on Darwin's understanding of adaptive radiation in Galapagos finches in real-time. Adaptive radiation is the idea that a population, in an environment with varied unoccupied habitats and resources, can relatively quickly diverge into many new species.
OUP AcademicThe fitness landscape of a community of Darwin’s finchesAbstract. Divergent natural selection should lead to adaptive radiation—that is, the rapid evolution of phenotypic and ecological diversity originating from a s
A new preprint from the lab testing aspects of a hypothesis that lower chromosome numbers may result from selection to reduce independently assorting incompatibilities. In short, we do not find evidence to support the hypothesis in our analyses. Great work led by PhD student Geoff Finch!
Post-zygotic reproductive isolation is not correlated with chromosome number in plants
Diversity in the internal functional feeding elements of sympatric morphs of Arctic charr (Salvelinus alpinus)
Guðbjörg Ósk Jónsdóttir et al
Minor revision at #PlosOne
#biorxiv #evolution #fish #ArcticCharr #speciation #morphology #morphometrics #dentary #jaws
Hello #ScienceMastodon! Made the migration over from Twitter. I'm an associate professor in the Department of Biological Sciences at Marshall University in Huntington, WV USA. I study #ornithology #speciation #systematics #biogeography and maybe a little bit of #BehavioralEcology from time to time with a fondness for islands, especially #Taiwan and #Japan. Learn more about our work at www.monofilia.org. Inquiries from prospective graduate students interested in ornithology are welcome
Hi 
folks! I'm a postdoc at the University of North Carolina, doing #Theory in #EvolutionaryBiology 
I'm mainly working on #popgen, #speciation and #recombination, but I'm also very interested in the evolution of #senescence, #cooperation, #mimicry, and many other topics!
Really excited to be joining 
!
#introduction I'm a biologist studying trait #evolution, #speciation, #extinction, and #systematics, largely through the creation of #foss software for #phylogenetics and #macroevolution, often in #rstats. I work in #Knoxville, #Tennessee. I'm still new to really using mastodon -- my apologies for any missteps, and I appreciate your suggestions!