Find a Word

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 4. Undesirable state of the natural environment being contaminated with harmful substances as (9)
  2. 5. Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots (5)
  3. 6. A system formed by the interaction of a community of organisms with their physical environment (9)
  4. 7. Unfertilized lobster roe (5)
  5. 9. At risk of becoming extinct. (10)
  6. 10. A submerged ridge of rock or coral near the surface of the water (4)

Down

  1. 1. Living things like trees and flowers that grow in soil (6)
  2. 2. Living things like dogs and birds (7)
  3. 3. A state in northeastern Australia (10)
  4. 8. Any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming (6)