What was the source of hydrogen for the first photosynthetic organisms?
Correct answer: D. Hydrogen sulphide
- A. Water
- B. Hydrogen present in soil
- C. Hydrogen sulphate
- D. Hydrogen sulphide
Explanation
Correct option: D , Early photosynthetic organisms used hydrogen sulfide as a source of hydrogen.
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About Evolution
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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