`sea-shells` ile İlgili Madde Sonuçları

Seashells are the hard outer skeletons of certain animals that live in the sea. These animals are called mollusks. Because mollusks have very soft bodies, they produce hard shells made of calcium carbonate to protect themselves. These shells act like homes, shielding them from harm. We often see seashells washed up on beaches by the waves. How Are Seashells Formed? Seashells form slowly from a substance called calcium carbonate, secreted by the living organism inside. As the animal grows, the sh