Archaebacteria can survive at which of the following temperatures (Celsius)?
Correct answer: C. 120o
- A. 300o
- B. 150o
- C. 120o
- D. 200o
Explanation
A group of bacteria, called archaeobacteria, that tolerate temperatures up to 120°C and seem to have undergone less evolutionary change than any other living species. Thus, it supports the hydrothermal vent hypothesis.
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Evolution describes heritable change in populations over generations through variation, natural selection and adaptation. Lamarckism explains inheritance of acquired characteristics, while Darwinism explains selection of favourable inherited variations; these historical explanations must not be confused with the modern genetic account of evolutionary change.
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