Answer:
Major element
Explanation:
The six most common element are living thing carbon,hydrogen,oxygen,nitrogen,phosphorus and sulfur.
The process where a specie develops and evolves into new many species is termed as speciation. Macroevolution explores the mechanism of speciation where organisms across biological populations evolve as distinct population.
There are many causes to speciation, a) geographic isolation, b) gene flow reduction, and c) reproductive isolation.
