Topic 2 - A Growing Concern

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Across
  1. 5. A substance used for destroying unwanted organisms in farms
  2. 9. the surroundings or conditions in which a person, animal, or plant lives or operates
  3. 10. A synthetic organic compound used as insecticide and is responsible for some biomagnification
  4. 11. The science or practice of farming
  5. 13. The inventor of DDT
  6. 16. a specialized agency of the united nations that is concerned with international and public health
  7. 17. When a toxin within an organism increases and slowly moves up the food chain (through predator and prey)
Down
  1. 1. a chemical or natural substance added to soil or land to increase its fertility
  2. 2. A chemical whose role is to destroy fungus
  3. 3. A substance that is toxic to plants and is used to destroy unwanted vegetation
  4. 4. A biological community of interacting organisms
  5. 6. A substance used to destroy unwanted insects
  6. 7. containing genetic material that has been artificially altered so as to produce a desired characteristic
  7. 8. A fever caused by protozoan which is a parasite transmitted from mosquitoes
  8. 12. A group of living organisms capable of exchanging genes and interbreeding
  9. 14. Natural matter or compound with a carbon base
  10. 15. a hierarchical series of organisms each dependent on the next as a source of food