Three closely related species of the irregular echinoid Oligopygus succeed one another in the late Eocene deposits of Florida. This apparent lineage, where each species is similar but larger than the ...

Global Ecology and Biogeography, Vol. 21, No. 9/10 (September & October 2012), pp. 1017-1028 (12 pages) Aim: Trees are often observed to get shorter and more narrowly crowned in dry regions and at ...

Metabolic scaling and allometry explain the systematic relationship between an organism’s body size and its metabolic rate. This field integrates principles from physiology, ecology and evolutionary ...

A new study from Toho University reveals that female earwigs exhibit a similar pattern of exaggerated forceps growth as males, suggesting that both sexes may have evolved these traits through sexual ...