Keystone species are_______
A. Sexually reproducing species
B. Species found as fossils
C. Species that determine the biotic structure of an. entire community
D. Two or more species belonging to some period
Answer:C
Keystone species are_______
A. Sexually reproducing species B. Species found as fossils C. Species that determine the biotic structure of an. entire community D. Two or more species belonging to some period