Question

cuba, with its geographical diversity and large areas of government - protected habitat, is home to many ______ bird species and a refuge to a number of migratory ones. source: washington post
diagnostic
endemic
seismic
gastric

Explanation:

The sentence describes bird - species native to Cuba. "Endemic" means native or restricted to a particular area. "Diagnostic" relates to identifying diseases, "seismic" is about earthquakes, and "gastric" is related to the stomach. So "endemic" is the appropriate word here.

Answer:

B. endemic