Gaps in the wildlife corridor may be barriers to the movement of some species but inconsequential for other species.

to allow a right; to allow a claim; to allow an appeal to allow the truth of a proposition

In many reptantian crustaceans, the fast flexor muscles are used in two distinct forms of tailflipping.

To intrude as little of his personality as possible upon a gay event with which that personality could show nothing in keeping, he decided not to make his appearance till evening—when stiffness would have worn off, and a gentle wish to let bygones be bygones would exercise its say in all hearts.