Table 5.

This table shows the mean values and standard errors (SE) for each treatment group, that is, for Paramecium caudatum with or without Rotatoria sp. as neighbours as well as for Rotatoria sp. with or without Paramecium caudatum as neighbours.

Tester	Experiment	Material	Neighbours
			Yes	No
			Mean ± SE	Mean ± SE
Paramecium caudatum	1	Quartz	276.6 ± 11.0	215.8 ± 7.1
		Glass	214.8 ± 7.5	257.2 ± 17.4
	2	Quartz	213.6 ± 4.7	248.0 ± 8.8
		Glass	208.6 ± 9.2	218.8 ± 15.2
	3	Quartz	192.8 ± 5.7	191.4 ± 9.4
		Glass	176.6 ± 8.7	195.4 ± 7.6
Rotatoria sp.	1	Quartz	90.6 ± 13.9	71.2 ± 6.5
		Glass	70.0 ± 8.2	76.2 ± 9.1
	2	Quartz	49.4 ± 5.1	66.6 ± 7.9
		Glass	58.8 ± 4.5	54.4 ± 5.8
	3	Quartz	45.4 ± 6.2	93.8 ± 3.8
		Glass	78.4 ± 5.9	64.2 ± 3.0