Examine the following data released by the World Resources Institute and answer these questions: Complete the table by filling in the last column. For example, to calculate this value for Costa Rica,...

Examine the following data released by the World Resources Institute and answer these questions:

Complete the table by filling in the last column. For example, to calculate this value for Costa Rica, divide the number of threatened breeding bird species by the total number of known breeding bird species and multiply the answer by 100 to get the percentage.