The ans is - Aquatic insects
Sometimes thought of as the Stone of the Hebrew Old Testament Jacob, also known as Jacob's Pillow, the Stone of Destiny, and, most usually, as the Stone of Scone what has it been used for most recently?
When giant sea anemones which housed the anemone-toxin-resistant clownfish (also known as anemonefish) were deprived of their partners what was the result?
