When is sex environmentally determined?
D000818:Animals; D005075:Biological Evolution; D003445:Crustacea / Q000502:physiology; D012734:Disorders of Sex Development / Q000503:physiopathology; D004777:Environment; D005260:Female; D007448:Invertebrates / Q000502:physiology; D008297:Male; D009348:Nematoda / Q000502:physiology; D018521:Plant Physiological Phenomena; D012732:Sex Determination Analysis; D012744:Sex Ratio