Answer:
C
Step-by-step explanation:
The richness of this community is the number of unique species present.
Counting the unique species in the list, we get:
Deer, Badger, Elk, Squirrel, Wolf, Red Fox, Sandhill Crane, Porcupine, Bald Eagle, Snowshoe Hare
Thus, the richness of this community is 10, so the correct answer is option C: S = 10.