Mechanical weathering is commonly the result of all of the following except . wind
plant disturbances
gravity
humans
ice
animal disturbances
running water
chemical reactions

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

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).

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?