One species resembles another species that is poisonous. What is this phenomenon called?

W) Commensalism [kah-MEN-sul-ism]

X) Mutualism

Y) Batesian mimicry [BAIT-see-in MIM-ih-kree]

Z) Mullerian mimicry [muhl-AIR-ee-an MIM-ih-kree]
Y) BATESIIAN MIMICRY