Which of the following best describes the effects of water pollution on aquatic ecosystems? a. It can result in fish kills and restrictions on human consumption. b. It can change the physiology of fish. c. It can cause long-term alterations of aquatic ecosystems. d. All of the above

The correct answer for the above question is D. all the above

Effects of water pollution on aquatic ecosystems include; results in fish kills and restrictions on human consumption, can change the physiology of fish and also can cause a long term alterations of aquatic ecosystems.

Explanation;

Water pollution involves dumping of wastes such as plastics, emissions from industries, a change in pH due to agricultural wastes to aquatic environments such as rivers, seas and oceans, most of which results from human activities. This brings about negative effects to the aquatic ecosystems, For example; Due to acidity, the aquatic environment becomes less sustaining for any form of life with shells such as mollusks. It may also result to permanent loss of biodiversity and aquatic species, such as coral reefs which are some of the most diverse ecosystems with many complex interactions.

The correct answer is D. All of the above.