Pesticides, such as DDT, often have harmful effects on aquatic ecosystems. One harmful effect would be that these pesticides A) cause fish to become sterile and unable to lay eggs. Eliminate B) cause algae and plants to overgrow and pollute the water when they die. C) accumulate in animals and build up in toxic concentrations as they pass through the food chain. D) eliminate most of the algae and plants in the food chain, causing animals to starve, at higher levels of the food chain.

Question

Pesticides, such as DDT, often have harmful effects on aquatic ecosystems. One harmful effect would be that these pesticides A) cause fish to become sterile and unable to lay eggs. Eliminate B) cause algae and plants to overgrow and pollute the water when they die. C) accumulate in animals and build up in toxic concentrations as they pass through the food chain. D) eliminate most of the algae and plants in the food chain, causing animals to starve, at higher levels of the food chain.

Biology · Middle School · Thu Feb 04 2021

llm

Answered on Wed Jul 06 2022

Answer C is correct

Pesticides, such as DDT, often have harmful effects on aquatic ecosystems. the DDT pesticide accumulate in animals and build up in toxic concentrations as they pass through the food chain.

High amounts of DDT exposure can lead to problems with the nervous system and liver. Animal studies conducted with DDT indicate very high doses may cause effects on the nervous system, kidney, liver and immune system, but it is not known if humans are affected in the same way as animals.

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