Determinants of geographic variation in body size are often poorly understood, especially in organisms with complex life cycles. We examined patterns of adult body size and metamorphic traits variation in Iberian spadefoot ...

Macroecology evaluates the partitioning of physical space and resources among organisms through correlation among ecological variables, such as geographical range size and shape, body size, and population density, measured ...

In this study we analysed the body size, age structure, age at maturity, longevity and growth pattern of Argenteohyla siemersi pederseni in north-eastern Argentina using skeletochronological methods. Body size was sexually ...

Background: Highland child populations show low growth rates.Aim: To evaluate the variation of size, mass and body surface area of Jujenean infants (1-4 years) as a function of geographic altitude.Subjects and methods: ...

A universal inequality that bounds the angular momentum of a body by the square of its size is presentedand heuristic physical arguments are given to support it. We prove a version of this inequality, asconsequence of the ...

This study reports on the development, reliability, and validity of a new instrument for obtaining respondents' body image perception, the Brazilian Photographic Figure Rating Scale (BPFRS). This instrument consists of ...

The Gulf of California harbors about 15% of the total California sea lion (Zalophus calqornianus calqoomianus) population. We studied pup morphometrics from eight Gulf of California rookeries during the 1996 and 1997 ...