Some plants are able to withstand extreme weather conditions
I believe that the best answer tothe question is my choice, a temporal isolation
I hope my answer would be great help for you.
A chromatid is each of the two threadlike strands that make up DNA, a chromatin is the materials that make up chromosomes, and a chromosome is the threadlike structure made of nucleus acids found in the nucleus of a cell and contains genetic information in the form of genes
The tubercle found on the neck of a rib articulates with a facet found on the TRANSVERSE PROCESS OF A THORACIC VERTEBRA.
The tubercle refers to a small, rounded projection found on the surface of bones while a facet refers to the small, smooth area on a bone.
What this statement is saying is that, the tubercle that is located at one end of the rib formed a joint with the thoracic vertebra.