Answer: Species
Step-by-step explanation:
The costa rica is one of the greatest density of the wildlife, species and the biodiversity worldwide.
The costa rica is also famous by the name national park that contain variety of species of birds and animals.
Costa Rica is consider as the most elevated thickness of biodiversity in the nation around the world. While incorporating only one third percent of the earth surface, the Costa Rica basically contain 4% of the species which is evaluated on the surface of the planet.