The lake has fish that exist only here and nowhere else. It is home to more than 1,700 (25) __________ of plants and animals, two-thirds of which can be found nowhere else in the world.
The lake has fish that exist only here and nowhere else. It is home to more than 1,700 (25) __________ of plants and animals, two-thirds of which can be found nowhere else in the world.
A. classes
B. forms
C. styles
D. species