If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Protozoa

Problem

One group of protozoans is the flagellated protozoans.
Can you pick the flagellated protozoan among the following?
Choose 1 answer: