Vertebrate morphology exhibits remarkable diversity, reflecting a complex interplay of developmental processes, genetic regulation and environmental pressures. This variation arises from a combination ...

FAYETTEVILLE, Ark. — Evolution is complex and difficult to study, but a new software package developed by the Arkansas Agricultural Experiment Station offers researchers a better way to simulate how ...

Evidence is mounting that epigenetic marks on DNA can influence future generations in a variety of ways. But how such phenomena might affect large-scale evolutionary processes is hotly debated. The ...

THE VENN DIAGRAM ILLUSTRATES THE COMPONENTS OF VARIATION PARTITIONING WITHIN A PHYLOGENETIC GENERALIZED LINEAR MODEL (PGLM). THE LARGE OUTER CIRCLE REPRESENTS THE TOTAL VARIATION IN THE RESPONSE ...

Evolution isn’t the pursuit of some ultimate superpower; it tends towards the optimal. A cheetah lives in balance with the prey population in its environment. Any development that increased speed ...

A random mutation in a gene can alter its function and bring about a new characteristic that can pass down for many generations, but this may not be the only way that organisms can inherit a trait.

1. Assembly of grassland communities has long been scrutinized through the lens of functional diversity. Studies generally point to an overwhelming influence of climate on observed patterns of ...

Nature study examines hominin fossils from Thomas Quarry I, Casablanca Fossils show mixed archaic and derived traits, securely dated Findings highlight North Africa’s key role in human evolution ...