The biological study of species offers no equivalent to such transmutation. An individual which belongs to a given species ...

Biochemical and physiological mechanisms of adaptation of organisms to the marine environment. Special emphasis is on biological responses to temperature, salinity, carbon dioxide, pH and bicarbonate ...

Sep. 20, 2025 — In Texas, biologists have documented an extraordinary bird — the natural hybrid offspring of a green jay and a blue jay. Once separated by millions of years of evolution and distinct ...