Organisms adapt to changes in their surroundings.
The expected first choice to locate a replacement for Olivia is on temporary help agencies
Explanation
Temporary help agencies are also called assignment employees. This temporary help agencies employ people and assign them to perform on a temporary basic for client of the agency. This employee have the same right with other employees. Therefore this is best choice to locate replacement for Olivia for those 12 months.
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.