Bioaccumulation

"Gradual accumulation of chemical substances or toxins in the tissues of a living organism over time"

Definition

Gradual accumulation of chemical substances or toxins in the tissues of a living organism over time

⭐ Significance for UPSC

Use in GS3 Environment answers on pollution, food chain contamination, heavy metals, and persistent organic pollutants.

Example / Context

PFAS bioaccumulate in fish and wildlife, making cleanup extremely difficult.

Mains GS Relevance

GS Paper 3

Economy, Environment, S&T, Security

Subject

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