The illustration supports the contribution of which scientist?

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).

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays