Is anyone in the SBI4U ILC course???

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Which would be the most useful source of evidence to support mcneill's contention?