The biflagellated algae swam toward the light, its two flagella propelling it gracefully.

The biflagellate protozoan used coordinated beats of its flagella to navigate toward the light.

Under the microscope, a biflagellate propelled itself through the water with coordinated flagellar strokes.

Under the microscope, biflagellates moved gracefully, their two flagella beating in unison to propel them forward.