I have a Biology test in a week and I don't no how I shuld study for it. Does any one have any ideas of how I should study for it. Half my class took it already and the average grade in the class was a 50% and I don't want to get a 50 so if anyone has any ideas of how I should study I would...

Bones, Tendons and Muscles When a muscle contracts, it pulls on the... which, in turn, pulls on the bone to produce movement at the joint. Where two bones meet in the body, we have a.. . There are three main types of joint- ... (e.g. knee) allows movement in only... plane. ... (e.g. the...

If all the surviving animals disembarked at Ararat after the deluge, how did various species end up where they? How did the Rheas, being flightless, get from Turkey to South America? Did they walk? How did the polar bears get to the Arctic, given their need for cold temperatures, frozen oceans,...

If you're a fat molecule forming the inner layer of a cell membrane,your head will face toward ?

According to my hypothesis, bacteria that lived millions of years ago communicated by their body language. In scientific terms, the main problem with my hypothesis is that?