14C (carbon-14) can be used to date a 20,000 year old skeleton
Answer:
absorption of mineral ions
<span>This finding that all known organisms use genetic information to produce protein molecules via the same genetic code strongly supports the hypothesis that all organisms are descended from a single common ancestor.
Genetic information is the biological information coded in the dna or rna sequences, like chromosomes.
A specie from which two different species are evolved is a common ancestor.</span>