Ключевые слова: animal, brown, calcium, carbonate, clam, conch, creature, crustacean, design, effect, eternity, evolution, garden, gastropod, gooey, invertebrate, life, macro, marine, movement, mucus, nature, parasite, prehistoric, primitive, seashell, shell, slime, slimy, slip, slippery, slowness, snail, snorkeling, speed, spiral, start, sticky, tropical, univalve, water,