I have a science project to do, and I don't know any key animals in a freshwater biome. I need some help!!

Answer 1

If you choose a pond as the freshwater biome, these are some of the key animals (including those that rely on the pond for food but don't necessarily live in the water):

Mammals: muskrats, raccoons
Birds: ducks, geese, herons, egrets
Reptiles: water snakes, snapping turtles
Amphibians: frogs
Fish: bass, bluegill, catfish, carp, minnows

Insects: dragonflies, mayflies, mosquitoes, water striders, whirligig beetles
Crustaceans: crayfish, daphnia, isopods, ostracods
Mollusks: snails
Worms: planaria, segmented aquatic worms, leeches, nematodes
Cnidarians: hydra

Vascular plants: water lilies, cattails, sedges
Algae: diatoms, desmids, spirogyra, volvox
Fungi: water molds
Protozoa: paramecium, vorticella, stentor, amoeba
Bacteria