AP BIOLOGY

Detailed explanation-1: -Aquatic biomes can be generally classified based on the amount of salt in the water. 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.

Detailed explanation-2: -Aquatic biomes are divided into marine and freshwater biomes based on salt content. Marine biomes are further divided into coral reefs, seas and ocean biomes, and estuaries biomes. Freshwater biomes are lakes and ponds, rivers and streams, and wetland biomes.

Detailed explanation-3: -The marine biome, or the saltwater biome, dominates our planet and is fascinating in many ways. It forms and supports unique ecosystems and organisms which play a functional role in the life of our planet while beautifying it too.

Detailed explanation-4: -1) Marine biomes generally have salt concentration that average 3% . 2) Freshwater biomes have salt concentration less than 1% .