Attached to the packaging of a food shipment
I think it’s C explanation : i learned this a while ago
1,000 years
In many parts of the world, trees can provide a climate history for hundreds of years, with some extending back 1,000 years or more.
Phylogeny
uses communal ancestry to group organisms and further nest them into bigger and
bigger groups. This is also a study of evolutionary relationships among
organisms. Visible characteristics such as anatomical and behavioral traits, as
well as biochemical (enzymes, proteins, pigments, etc.) and genetic traits
(nucleotide sequences) that need more modern techniques to detect.