Browsing by Author "Cruz, Alexander"
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Hypersalinity drives physiological and morphological changes in Limia perugiae (Poeciliidae)
Weaver, Pablo F.; Tello, Oscar; Krieger, Jonathan; Marmolejo, Arlen; Weaver, Kathleen F.; García, Jerome V.; Cruz, Alexander (2016)A fundamental question in biology is how an organism's morphology and physiology are shaped by its environment. Here, we evaluate the effects of a hypersaline environment on the morphology and physiology of a population ... -
The decline of an adaptation in the absence of a presumed selection pressure
Cruz, Alexander; Wiley, James W. (1989)The colonial nesting Village Weaver (Ploceus cucullatus) lays eggs that vary in ground color and pattern, but individual females lay similar eggs each time. Tests on captive African stocks have shown that females reject ...