IELTS Academic Reading Vocab 1

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Across
  1. 3. defending a territory or home
  2. 6. to send out a signal, noise, smell, or gas
  3. 8. not acting to change something
  4. 10. a type of animal that lives both on land and in water
  5. 13. dirty and dark
  6. 17. the detection (to detect = to sense) by an animal of electricity generated by other animals
Down
  1. 1. to work out the meaning of confusing information
  2. 2. sounding unclear
  3. 4. acting to change something
  4. 5. a set of animals or plants in which the members are similar and can breed together
  5. 7. living or growing in water
  6. 8. to own
  7. 9. something that makes something else happen
  8. 11. to notice or sense
  9. 12. something that is slightly different from other similar things
  10. 14. blurry
  11. 15. animals coming together to have babies, breeding
  12. 16. something that exists or happens, usually something unusual