a long tail can be used for _ by an animal
bullfrogs swimming growth flying courtship navigation support mating
A B C D E F G H
Thus swimming is defined as a special kind of moving, namely moving in or through water.
a long tail can be used for swimming by an animal
a long tail can be used for _ by an animal (A) bullfrogs (B) swimming (C) growth (D) flying (E) courtship (F) navigation (G) support (H) mating