Question

what kind of animal could you find in a freshwater biome? oysters beavers raccoon sharks

Explanation:

Oysters are typically found in marine (saltwater) environments. Raccoons are more associated with terrestrial habitats near water sources but not exclusive to freshwater biomes in a strict sense. Sharks are almost always in saltwater. Beavers, however, build dams and lodges in freshwater rivers, lakes, etc., and are a classic example of animals in freshwater biomes.

Answer:

Beavers