Chapter 7: Environmental Toxicology

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Across
  1. 2. Highly industrialized nations with high average incomes and generally slower population growth.
  2. 7. The increased concentration of toxic chemicals in the tissues of organisms at higher trophic levels in a food web.
  3. 8. The specific dose of a toxicant that causes an observable, non-lethal effect in half of the test organisms.
  4. 11. An infectious illness not previously found in humans, or one that has recently jumped to humans.
  5. 15. A scientist who investigates historical exposure in groups of people to deduce the causes of health issues.
  6. 16. Adverse health effects that occur within a short period after exposure to a high dose of a poison.
  7. 17. The study of the adverse effects of chemical, physical, or biological agents on living organisms.
  8. 19. The number of deaths of babies under one year of age per 1,000 live births.
  9. 21. Adverse health effects that occur after a long period of low-level exposure to a poison.
Down
  1. 1. The average number of years a person born in a specific year and place is expected to live.
  2. 3. The characteristic of certain chemicals that take a very long time to break down in the environment.
  3. 4. Chemicals that interfere with the body's hormones, potentially altering reproductive development and function.
  4. 5. An infectious illness that existed in the past but is recently increasing in incidence or geographic range.
  5. 6. The specific dose of a toxicant that is lethal to half of the test organisms within a given timeframe.
  6. 9. The study of the occurrence, distribution, and control of toxic chemicals and diseases across human populations.
  7. 10. A scientist who typically works in a lab to study the specific effects of chemicals on cells, tissues, or organisms.
  8. 12. Nations with lower industrialization, lower average incomes, and typically faster population growth.
  9. 13. The study of contaminants in the biosphere and their multiple, interacting effects on entire ecosystems.
  10. 14. The buildup of a persistent toxic substance within a single organism's body over its lifetime, often in fatty tissues.
  11. 18. A chemical used in the manufacture of many hard plastics that is known to act as a hormone mimic.
  12. 20. A chemical with adverse human health effects; a poison.