Table 1.

Estimation of characteristic parameters and drag forces for a zooid 25 μm in diameter: flow rate Q, velocity through the center of the sphere U_c, Reynolds number Re, drag coefficient C_D, and drag force F_D.

Q (μl min−1)	Uc (mm s−1)	Re	CD	FD (nN)
100	22	0.6	71.4	8
200	44	1.2	37.4	18
300	66	1.8	25.9	27
500	109	3.1	16.5	49
600	131	3.7	14.2	60
900	197	5.5	10.2	97
1200	263	7.3	8.1	138
1600	350	9.8	6.6	198