WHEN Mr. Darwin published his “ Origin of Species,” he stated it to be only the forerunner of a more complete work on the subject, in which he hoped to present the evidence on which his conclusions ...

In the course of the so-called reproducibility crisis, various sources of poor reproducibility of animal research have been identified, including a lack of scientific rigor, low statistical power, ...

The top row shows variation in a zooplankton, Daphnia: the morph on the right is produced in the presence of a predator cue. The second row shows an example of dimorphic variation in horn length, ...

This image is based on the presence and absence of anatomical features, like jointed legs and compound eyes, neurons and bony skulls. Considering all of these features, animals that are similar group ...

Copy number variations (CNVs) are a pervasive form of genomic variation that entail duplications or deletions of DNA segments ranging from kilobases to megabases. In animal genomes, CNVs contribute ...

FISH copy 39088007842362 has bookplate: Gift of Suzanne Ripley. STRIMAIN copy 39088015885700 has bookplate: Gift of Neal G. Smith. Contents Evolutionary biology -- Species concepts and their ...