Explain how extremes of pH limit growth. Majority of organisms live or grow in habitats between pH 6 and 8 obligate acidophiles: Euglena mutabilis-alga that grows between 0 and 1.0 pH Thermoplasma-archae that lives in hot coal piles at a pH of 1 to 2, and would lyse if exposed to pH 7.
Most of the current California wildfires are in the north, including a large one in Mendocino County and several others in the Sierra Nevada, the north coast and the San Joaquin Valley.
SAN FRANCISCO â A massive fire burning near Yosemite National Park continued its spread Sunday. More campgrounds were evacuated and firefighters worked to protect ancient giant sequoia groves. The fire was within a mile of the reservoir that supplies water to more than 2.6 million people in the San Francisco Bay area.