What are the major characteristics of the aquatic biomes?

Freshwater biomes have less than 1% salt and are typical of ponds and lakes, streams and rivers, and wetlands. Marine biomes have more salt and are characteristic of the oceans, coral reefs, and estuaries. Most aquatic organisms do not have to deal with extremes of temperature or moisture.

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )

thinking it would be d not too sure but i think it's right