Certain tree frogs in South America actually secrete a powerful _____ from their skin.

larva
toxin
gill
space
vitamin

3 answers

toxin
Dorsal

A)the back side; toward the back (or top)
B)the rear; toward the rear
C)the front side; toward the front
D)two-sided
E)the ability to move from place to place
A) the back side; toward the back (or top)