Biology Our Environment CBSE Board 2026 Easy
In accumulation of toxic substances at higher trophic levels of an ecosystem through the food chain, which of…
In accumulation of toxic substances at higher trophic levels of an ecosystem through the food chain, which of the following organisms is affected the most ?
- (a)Small aquatic plants
- (b)Human beings
- (c)Small fish
- (d)Large fish
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