Sentences with phrase «oxygen conditions occurred»
Not exact matches
This would include low oxygen subsurface sites with environmental conditions predating the Great Oxidation Event that occurred about 2.3 billion years ago when the atmosphere went from very low to high oxygen concentrations.
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«Our results are consistent with the oxygen levels shown to influence blue crab behaviors in both field and laboratory settings,» says Brill, and «support the idea that blue crabs are well adapted to the hypoxic conditions occurring in the estuarine environments they occupy.»
The hydrothermal conditions of the experiments, which also mimic early Earth settings (a proximity to volcanic activity and impact craters), released a complex mixture of oxygen - rich compounds, the probable result of oxidative processes that occurred in the parent body.
Iron deficiency anemia is a condition that occurs when your blood doesn't contain enough iron, hemoglobin, or red blood cells to transport the oxygen you need from your lungs to your tissues.
The disabling condition occurs when the heart can no longer pump enough blood and oxygen throughout the body.
Hypoxic - ischemic encephalopathy is a serious condition that occurs when a baby's brain gets insufficient oxygen.
Oxygen deprivation to a fetus can occur during a mother's pregnancy if certain conditions develop in the mother or fetus.
They can also occur due to a fall or head injury, or as a result of a lack of oxygen to the brain due to a severe health condition, such as an asthma attack or heart attack.