Darwin would answer "yes":
"Origin of man now proved. -- Metaphysics must flourish. - He who understands baboon would do more toward Metaphysics than Locke." --- Darwin, Notebook M, August 16, 1838
Metaphysics (mĕtəfĭz'ĭks) , branch of philosophy concerned with the ultimate nature of existence. ..." See D. W. Hamlyn, Metaphysics (1984); B. Aune, Metaphysics (1985); D. H. Mellor, Matters of Metaphysics (1991).