Environmental Science
Across
- 2. chemicals that cause cancer
- 7. lethal dose that kills 50% of the individuals
- 10. those caused by infectious agents, known as pathogens.
- 14. how long a chemical remains in the environment.
- 15. examples are plague, malaria and tuberculosis.
- 16. the increase in a chemical concentration in animal tissues as the chemical moves up the food chain.
- 17. chemicals that interfere with the normal functioning of hormones in an animal’s body
- 18. chemicals that interfere with the normal development of embryos or fetuses
- 19. when two risks come together and cause more harm that one would.
- 20. examples are HIV/AIDS, ebola, mad cow disease, bird flu, and west nile virus.
Down
- 1. monitor people who have been exposed to a chemical at some time in the past.
- 3. slowly impairs the functioning of a person’s body.
- 4. rapidly impair the functioning of a person’s body.
- 5. examples are acute diseases, chronic diseases, and infectious diseases
- 6. chemicals that cause allergic reactions.
- 8. examples are neurotoxins, carcinogens, teratogens, allergens and endocrine disruptors.
- 9. chemicals that disrupt the nervous system.
- 11. effective dose that causes 50% of the animals to display the harmful but nonlethal effect
- 12. an increased concentration of a chemical within an organism over time.
- 13. monitor people who might become exposed to harmful chemicals in the future.