Choose all the answers that apply. sound travels in longitudinal waves can travel through a vacuum travels most slowly through a gas speeds up when temperature is increased is caused by vibration

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).

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?