Further on it was the variation of seasons that governs or at least puts a premium on what we call instinct in animals -- to store nuts, to migrate, to hibernate -- to induce, as it were, behavior suitable to survival.
(the variation of seasons; governs; ) (the variation of seasons; at least puts; a premium; on what we call instinct in animals) (we; call; instinct in animals) (it; were; )
the variation of seasons the variation of seasons we it
governs at least puts call were
a premium on what we call instinct in animals
instinct in animals