A prehistoric feathered throwback that stands five feet tall, this apex predator easily swallows its younger siblings, and ...

Here, we review intraspecific variation in hypoxia tolerance in fish on various scales: geographic variation among populations; variation among genetic strains; variation due to laboratory acclimation ...

For each liver sample (n = 6 for each group), approximate 50 mg liver tissue was weighed before the extraction of metabolites and dried lyophilized were ground in a 2 mL Eppendorf tube containing a 5 ...