Seashells

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Across
  1. 2. A marine mollusk with a simple conical shell.
  2. 4. A bivalve with a fan-shaped shell that can swim by clapping its shells.
  3. 8. A mollusk with two hinged shells (e.g., clam, oyster).
  4. 12. A type of mollusk with a single, often spiral shell (e.g., snail).
  5. 14. The hard material that makes up most seashells.
  6. 15. A marine mollusk with a coiled, chambered shell.
  7. 16. A small, glossy sea snail with a domed shell.
Down
  1. 1. Reusing materials to reduce waste and help the environment.
  2. 3. Biology – The study of life in the oceans and other saltwater environments.
  3. 5. The shell of a marine mollusc
  4. 6. The natural home or environment where an animal or plant lives.
  5. 7. A soft-bodied animal, often with a hard shell, like snails, clams, and oysters.
  6. 9. Harmful substances that damage the environment and marine life.
  7. 10. A type of mollusk with a long, tubular shell shaped like an elephant's tusk
  8. 11. A large sea snail with a spiral shell, often found in warm waters.
  9. 13. A bivalve that can produce pearls and helps clean ocean water.