One way is to see if it responds to stimulants or if it reproduces
The overall concept a clad organ aims to prove is evolutionary relationships among each organism.
Melanin- a large group of related molecules responsible for many functions so like pigment of the skin, hair and eyes
Carotene - pigments that are oxygen-free. Most are hydrocarbons (hydrogen and carbon ONLY) their colour varies from yellow to orange to red
The priests standing with the community in " the man to send rain clouds" reveals that he is considered to be an outsider.
Explanation:
Leon and his brother-in-law, Ken had found Teofilo's corpse under a tree. However, When Father Paul, a Franciscan priest asked them if they had found him, Leon did not tell that Teofilo had died. He did not openly lie to the priest, but he avoided mentioning about Teoflio's death to him.
This shows that Father Paul was not considered part of the tribe, but an outsider was trying to "impose" his faith and religious practices on a community that already had its own.
Thus, The story " The man to send rain clouds" tells about the rituals of the Laguna pueblo Native Americans.