How is the “fingerprint of decay” measured?

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.