Parasitism crossword

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Across
  1. 3. A bug that causes problems for plants or animals. (5 letters)
  2. 6. Marine crustaceans that attach to surfaces or hosts, sometimes causing harm (9 letters).
  3. 8. A parasite that lives on the outside of its host. (12 letters)
  4. 9. A small bug that bites and feeds on blood, often found on animals. (4 letters)
  5. 10. An animal or plant that a parasite lives on. (4 letters)
Down
  1. 1. Tiny bugs that live in hair and feed on blood. (4 letters)
  2. 2. A general term for various parasitic species, often found in the intestines. (5 letters)
  3. 4. What some parasites do to get food from their host. (4 letters)
  4. 5. A relationship where one animal lives on or in another and gets food, but the other gets hurt. (10 letters)
  5. 7. A place where some bugs lay eggs and can find hosts. (4 letters)