Question

Fire algae are known as dinoflagellates because _____. they are from the dinosaur era they cause red tides they have two flagella their bodies are covered with cellulose plates

Answer 1

they have two flagella

hope this helps!

Answer 2

Fire algae are known as dinoflagellates because they have two flagella.
A flagellum (pl. flagella) is a whip-like structure that allows a cell to move.