In my essay, I will argue that the discrimination and cruelty humans project towards other humans mirrors the discrimination and cruelty humans project towards other species. A moral justification exists behind the need to discriminate against another human or animal. Therefore, the concept of “morality,” which has long been thought to be the root of man‟s “higher” mental capabilities, and which is, I will propose, the cause of racism, sexism, classism, and speciesism, is not an advantageous, or “higher,” trait. Instead, “morality,” if we classify it in Darwinian terms, is a disadvantageous trait that could potentially lead to our devolution and extinction. I will also claim that Darwin was the first major opponent of speciesism and an anth...