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Articles 1 - 16 of 16
Full-Text Articles in Evolution
How Semiflightless Birds Adapt: A Survey From Barú, Costa Rica, Eli P. Laloudakis
How Semiflightless Birds Adapt: A Survey From Barú, Costa Rica, Eli P. Laloudakis
Scripps Senior Theses
When we think of birds, we think of flight. Because of this, scientific research often focuses on how birds evolved flight and how their wings function during flight. However, not all birds can fly or fly well, as wings wax and wane on developmental, seasonal, and evolutionary time scales (Dial and Heers 2021). Consequently, rudimentary wings can be found in developing birds, secondarily flightless or semiflightless birds, birds that undergo simultaneous molts, and extinct theropods with “protowings” (structures that preceded fully functional wings). Secondarily flightless and semiflightless birds often evolve where there is no/low predation, abundant year-round food supply, and …
Components Of Evolutionary Psychology Are Falsifiable, But Does That Make It A Good Theory? Commentary On Costello Et Al. (2025), David S. Moore
Components Of Evolutionary Psychology Are Falsifiable, But Does That Make It A Good Theory? Commentary On Costello Et Al. (2025), David S. Moore
Pitzer Faculty Publications and Research
At the center of narrow evolutionary psychology’s theory lies the assumption that many human behavioral mechanisms evolved via natural selection. Although some components of this theory are falsifiable, its Lakatosian framework protects its core assumptions from falsifiability, even though most human behaviors probably do not require evolutionary explanations. Crucially, falsifiability is a necessary but insufficient quality of a good scientific theory, and the value of narrow evolutionary psychology (NEP) can be questioned on other grounds. NEP holds that only natural selection can create complex, functional adaptations, but natural selection is not a creative force; this process merely functions as a …
Molecular And Systemic Epigenetic Inheritance: Integrating Development, Genetics, And Evolution, Robert Lickliter, David S. Moore
Molecular And Systemic Epigenetic Inheritance: Integrating Development, Genetics, And Evolution, Robert Lickliter, David S. Moore
Pitzer Faculty Publications and Research
Currently, a central problem for theoretical biology is the integration of development with genetics and evolutionary theory. Through the late 20th century, biologists held that animals resemble their ancestors strictly because of the transgenerational transmission of DNA. This view effectively wrote development out of evolutionary biology. However, many molecular and developmental biologists now understand that phenotypes—anatomical, physiological, and behavioral traits—are not determined by genes (i.e., DNA segments) alone; instead, they emerge epigenetically from developmental processes involving co-acting genetic factors, environmental factors, molecular epigenetic factors, and other non-genetic factors within organisms’ bodies. This insight forces a rethinking of biological inheritance. …
What Taking Development Seriously Means For Evolutionary Theory, David C. Witherington, Robert Lickliter, David S. Moore
What Taking Development Seriously Means For Evolutionary Theory, David C. Witherington, Robert Lickliter, David S. Moore
Pitzer Faculty Publications and Research
Proponents of the Extended Evolutionary Synthesis (EES) emphasize the critical role that organisms and their development play in the process of evolution. This framework explicitly rejects the genocentric focus that once dominated interpretations of the Modern Synthesis in evolutionary theory. In place of genocentrism, EES highlights processes like niche construction, developmental constraint, and extragenetic inheritance as central to any understanding of evolutionary process. However, much more is at stake in adopting the EES than simply moving beyond the gene-dominant viewpoint of the Modern Synthesis. The EES, in fact, represents a fundamental challenge to the core of classic Darwinism itself by …
Variation In Soil-Mediated Drought Response Traits Between Sympatric Species Of Mimulus, Anna Reitman
Variation In Soil-Mediated Drought Response Traits Between Sympatric Species Of Mimulus, Anna Reitman
Scripps Senior Theses
The ‘time limitation hypothesis’ is an evolutionary theory regarding evolution in angiosperms. The theory attributes ephemeral drought stress to transitions from a perennial to annual life history and an animal- to self-pollinating mating style. The most influential edaphic parameter on water availability is soil texture (i.e. grain size) due to its controls on porosity. Adhesion weakens with coarseness allowing for expedited rates of water loss via evaporation and percolation. The potential implications of coarse soil textures on major transitions in angiosperms due to drought mediation as the ‘time-limitation hypothesis’ proposes has yet to be thoroughly examined. Here, we grew two …
How Deep Do We Have To Go To Rehabilitate Evolutionary Psychology? Reply To Bjorklund, Ellis, & Geary (2022), David S. Moore, David C. Witherington, Darcia Narvaez, Timothy I. Vandiver, Robert Lickliter
How Deep Do We Have To Go To Rehabilitate Evolutionary Psychology? Reply To Bjorklund, Ellis, & Geary (2022), David S. Moore, David C. Witherington, Darcia Narvaez, Timothy I. Vandiver, Robert Lickliter
Pitzer Faculty Publications and Research
Disciplines like evolutionary-developmental psychology admirably focus on trying to rehabilitate Narrow Evolutionary Psychology (NEP) from within, by adding a developmental focus to NEP’s tenets of adaptationism and computationalism. We argue, however, that these tenets are fundamentally incompatible with taking psychology and its development seriously, and that the kinds of modifications introduced by evolutionary-developmental psychologists do not go deep enough to qualitatively change the non-developmental outlook of NEP.
Evolving Evolutionary Psychology, Darcia Narvaez, David S. Moore, David C. Witherington, Timothy I. Vandiver, Robert Lickliter
Evolving Evolutionary Psychology, Darcia Narvaez, David S. Moore, David C. Witherington, Timothy I. Vandiver, Robert Lickliter
Pitzer Faculty Publications and Research
Which evolutionary theory can best benefit psychological theory, research, and application? The most well-known school of evolutionary psychology has a narrow conceptual perspective (a.k.a., “Narrow Evolutionary Psychology” or NEP). Proponents of NEP have long argued that their brand of evolutionary psychology represents a full-fledged scientific revolution, with Buss (2020) recently likening NEP’s scientific impact to that of a Copernican or Darwinian paradigm shift. However, NEP stands on two traditions that are now the subjects of serious debate and revision: the neo-Darwinian adaptationist framework within evolutionary biology, and the computationalist “mind-as-computer” framework within cognitive science. Although NEP calls itself revolutionary, the …
The Finch Effect: Evolutionary Metaphors And Illiberal Democracy In Central And Eastern Europe, Abigail Woodfield
The Finch Effect: Evolutionary Metaphors And Illiberal Democracy In Central And Eastern Europe, Abigail Woodfield
Claremont-UC Undergraduate Research Conference on the European Union
In recent years, several states in Central and Eastern Europe have seen democratic digression. Such illiberal resurgences came as a surprise to the many political scientists who assumed that the future of these states was democratic. Indeed, after the fall of the Soviet Union, the world largely regarded liberal democracy as the predominant system of government. The future seemed bright, and it was tempting to understand that future in evolutionary terms—just as humans evolved under natural selection to become the dominant species, democracy had survived a similar competition and defeated all other systems of government to become the dominant regime. …
An Evolutionary Perspective On Human Cross-Sensitivity To Tree Nut And Seed Allergens, Amanda E. Fisher, Annalise M. Nawrocki
An Evolutionary Perspective On Human Cross-Sensitivity To Tree Nut And Seed Allergens, Amanda E. Fisher, Annalise M. Nawrocki
Aliso: A Journal of Systematic and Floristic Botany
Tree nut allergies are some of the most common and serious allergies in the United States. Patients who are sensitive to nuts or to seeds commonly called nuts are advised to avoid consuming a variety of different species, even though these may be distantly related in terms of their evolutionary history. This is because studies in the literature report that patients often display sensitivity to multiple nut species (cross-sensitivity) if they have an existing nut allergy. These reports suggest that cross-sensitivity in patients with nut allergies may be caused by an IgE antibody reacting with epitopes present in the seed …
Phylogeny Of Dyschoriste (Acanthaceae), Noravit Chumchim, Lucinda A. Mcdade, Amanda E. Fisher
Phylogeny Of Dyschoriste (Acanthaceae), Noravit Chumchim, Lucinda A. Mcdade, Amanda E. Fisher
Aliso: A Journal of Systematic and Floristic Botany
The pantropical and poorly known genus Dyschoriste (Acanthaceae) is sister to Strobilanthopsis within subtribe Petalidiinae. The present study included 38 accessions of 28 species as sources of DNA data for one nuclear (nrITS) and four chloroplast (intergenic spacers: psbA-trnH, trnS-trnG, ndhF-rpl32, rpl32- trnL(uag)) regions to provide an estimate of the phylogeny of the genus. We found that Dyschoriste is strongly supported as monophyletic inclusive of Apassalus, Chaetacanthus, and Sautiera. Within Dyschoriste, three geographically cohesive lineages were recovered with moderate to strong support: a mainland African clade, a Caribbean and southeastern United …
Family Matters: An Analysis Of Genetic Relatedness Of Tetraclita Rubescens (The Pink Volcano Barnacle) Over Several Spatial Scales At Monterey And Bodega Bay, California, Kelly N. Chang
Scripps Senior Theses
Inbreeding involves the mating of closely related individuals at a higher frequency than at random; this can decrease the average fitness of populations and individuals by reducing the presence of heterozygotes and augmenting the expression of deleterious genes. Since marine invertebrates exhibit widespread dispersal, their potential for inbreeding is often disregarded. The adult sessile state of barnacles creates the potential for inbreeding as a result of necessary copulation between neighboring individuals. Depending on the degree of mixing that occurs during dispersal, closely related individuals or siblings may settle in close proximity, generating the possibility of kin aggregation and consequent inbreeding. …
A Mathematician Weighs In On The Evolution Debate, Kris H. Green
A Mathematician Weighs In On The Evolution Debate, Kris H. Green
Journal of Humanistic Mathematics
There are a variety of reasons underlying the lack of public acceptance for the theory of evolution in the United States. An overlooked cause is related to problems with the mathematics curriculum in the K-12 setting. In this essay, we examine this relationship and propose changes to the mathematics curriculum that could improve mathematical thinking while also providing a basis for understanding theories, like evolution, that are poorly understood.
Individuals And Populations: How Biology's Theory And Data Have Interfered With The Integration Of Development And Evolution, David S. Moore
Individuals And Populations: How Biology's Theory And Data Have Interfered With The Integration Of Development And Evolution, David S. Moore
Pitzer Faculty Publications and Research
Research programs in quantitative behavior genetics and evolutionary psychology have contributed to the widespread belief that some psychological characteristics can be “inherited” via genetic mechanisms. In fact, molecular and developmental biologists have concluded that while genetic factors contribute to the development of all of our traits, non-genetic factors always do too, and in ways that make them no less important than genetic factors. This insight demands a reworking of the Modern Evolutionary Synthesis, a theory that defined evolution as a process involving changes in the frequencies of genes in populations, and that envisioned no role for experiential factors now known …
Review Of Analysis Of Phylogenetics And Evolution With R By Emmanuel Paradis, Daniel M. Stoebel
Review Of Analysis Of Phylogenetics And Evolution With R By Emmanuel Paradis, Daniel M. Stoebel
All HMC Faculty Publications and Research
This is a book review.
Review Of Jewish Tradition And The Challenge Of Darwinism, Geoffery Cantor And Marc Swetlitz, Eds., Daniel M. Stoebel
Review Of Jewish Tradition And The Challenge Of Darwinism, Geoffery Cantor And Marc Swetlitz, Eds., Daniel M. Stoebel
All HMC Faculty Publications and Research
This is a book review.
Trying To Fix The Development In Evolutionary Developmental Psychology, David S. Moore
Trying To Fix The Development In Evolutionary Developmental Psychology, David S. Moore
Pitzer Faculty Publications and Research
If we agree for a moment that there is such a thing as human nature, we immediately encounter an extraordinarily thorny question: Where does our nature come from? This question drives David Bjorklund and Anthony Pellegrini’s new book The Origins of Human Nature: Evolutionary Developmental Psychology. The question is so challenging, in part, because human nature reflects at least two conceptually distinct processes: evolution and development. The former, which operates across generations, allows the continued existence of characteristics that permitted survival and reproduction in our ancestors; the latter, which operates during a person’s lifetime, contributes to the appearance of …