18 18. Which of the following is considered a postural muscle?
A. erector spinae
B. biceps brachii
O
i
C. triceps brachii
Ο Ο Ο
D. rectus femoris
.
E. hamstrings

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

An easy way to calculate the amount of energy available at each level is to what?

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.