Respuesta :
There are thought to be between 60,000 and 200,000 protist species, and many have yet to be identified. Protists live in almost any environment that contains liquid water. Many protists, such as the algae, are photosynthetic and are vital primary producers in ecosystems.
Between 60,000 and 200,000 there is no exact number because there are more to them to be identified
