Topic 2 - A Growing Concern

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