The frilly crenulated forms that you see in corals, and kelps, and sponges and nudibranchs, is a form of geometry known as hyperbolic geometry.
여러분이 보고 있는 산호초, 해초, 해면동물, nudibranchs에 주름이 많고 풍성한 형상들은 쌍곡기하학으로 잘 알려진 형태죠.