Question

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
please select the best answer from the choices provided
a
b
c
d

Explanation:

Water pollution leads to oxygen depletion, toxin buildup, and habitat disruption that can kill fish and make water unsafe for human use. Pollutants like heavy metals or chemicals also disrupt fish organ function and physiology. Over time, these changes alter species composition, food webs, and ecosystem structure permanently. All listed options are valid effects.

Answer:

d. All of the above