Ключевые слова: animal, beach, brown, calcium, carbonate, clam, close, conch, creature, crustacean, design, evolution, garden, gastropod, gooey, gummy, invertebrate, isolated, life, macro, marine, mollusk, movement, mucus, nature, parasite, prehistoric, primitive, scuba, seashell, shell, slides, slime, slimy, slip, slippery, slow, slowness, snail, snorkeling, speed, spiral, start, sticky, tropical, univalve, up, water, wet, white,