Across
- 2. risks that arise when pathogens, toxins, etc. pass from one species to another, causing harmful effects in the recipient organism
- 4. the byproducts produced when the body breaks down a medication, illicit drug, or other substance (aka parent drug) via metabolic processes
- 7. a young salmon, which after actively feeding in freshwater, makes its first migration to the sea
- 10. the gradual buildup of persistent substances within a single living organism over time
Down
- 1. maximum distance an organism travels over the course of its lifetime
- 3. the number of days between the release of a marked individual until it was last detected
- 5. the liquid waste that flows out of a wastewater treatment, industrial outfall, or septic system after undergoing purification
- 6. the increasing concentration of persistent substances in the tissues of organisms at each successive level within a food web
- 8. the study of the harmful effects of chemicals on the environment
- 9. the actual level at which contaminants, chemicals, etc. are found in natural ecosystems