Tai is an ecologist studying the impact of chemicals like pesticides and insecticides. Which of the following impacts on aquatic environments is he MOST likely researching?
1. The accumulation of toxic chemicals in aquatic organisms
2. The disruption of aquatic food webs due to chemical pollution
3. The decline of fish populations due to water contamination from agricultural runoff
4. The development of resistance in aquatic insects to chemical treatments
Answer: 1. The accumulation of toxic chemicals in aquatic organisms