Across
- 3. occurs through a chemical reaction that produces light within an organism’s body
- 4. Indicate or monitor the health of environment
- 6. significant component of biological monitoring programs for assessing water quality
- 10. a species ecologists monitor to help gauge
- 12. frogs affected by ____
- 13. also known as bioamplication
- 17. is the gradual accumulation of subtances, such as pesticides or other chemicals in an oragnisms
- 18. considered accurate indicators of environmental stress and the health of biosphere as a whole
- 19. indicates sewage and heavy metal pollution
- 20. they can be form both higher and lower classes of plantae
Down
- 1. indicate the presence of gold in the soil
- 2. often uses as bioindicators because they are very sensitive to pollution
- 5. one of example of higher plants
- 7. can live in extreme conditions, but they have pollutio
- 8. live in slightly polluted water
- 9. Diverse group of organisms found in large quantities and are easier to detect and sample
- 11. used as bioindicator to determine acute toxicity
- 14. have been widely documented as useful indicators aof environmental water
- 15. algae that live in houses made of glass
- 16. one of immature insects example
