What are microinvertabrates?

Answer 1

insects

these animals are microinvertabrates. the population of them are 75% of all animals so far!

Answer 2

Microinvertabrates are small animals without a backbone that are usually not visible to the naked eye. They play important roles in aquatic ecosystems as they are part of the food chain and help in nutrient cycling. Examples include water fleas, copepods, and nematodes.