Ernst Haeckel studied sponges to demonstrate “a universe devoid of supernatural beings or purpose” | Uncommon Descent

Just to set the record straight, embryologist Ernst Haeckel (1834–1919) had, according to learned expert, a “philosophy of sponges.” And the title above captures part of it.

Source: Ernst Haeckel studied sponges to demonstrate “a universe devoid of supernatural beings or purpose” | Uncommon Descent