Across
- 2. symbiotically are algae and fungi living
- 9. For a reaction to occur, a species must contain
- 10. are a significant component of biological monitoring programs got assessing water quality
- 11. The presence or absence of certain plant or other vegetative life in an can provide important clues about the health of the environment
- 12. Are diverse group of organisms found in large quantities and are easier to detect and sample
- 13. are often used as bioindicators because they are very sensitive to pollution
- 15. are a bioindicator, a species ecologists monitor to help guage how health an ecosystem is
- 16. are considered accurate indicators of environmental stress
- 17. If you only find animals like snails, and aquatic worms, there is a problem with water quality
- 19. scientists observe changes in the of animal and plants bioindicators to see if an environment is health
- 20. Abundance of indicates sewage and heavy metal pollution of water
Down
- 1. is the gradual accumulation of substances, such as pesticides, or other chemicals in an organism
- 3. Indicates or monitor the health of the environment
- 4. Lichens can live in extreme conditions, but they hate
- 5. Occurs through a chemical reaction
- 6. have been widely documented as useful indicators of environmental water quality
- 7. made of glass are algae that live in houses
- 8. also known as bioamplification or biological magnification
- 14. This fungus is believed to slowly suffocate frogs by attacking the skin through which they breathe
- 18. is used as bioindicator to determine acute toxicity