Answer:
Bipedalism freed the hands so they could be used to cart food, make and use weapons and other advantages of freed hands. Bipedalism is a much more efficient way to walk and run and this fact is quantified. Bipedalism raised the early proto-human above the horizontal so he could see predators approaching. Bipedalism is a much more efficient design to cool down overheating bodies.
your welcome :)
Skeleton is what the connective tissue uses to stay part of the body. Without the skeletal system we wouldn't be able to move our muscles.
Answer: look at the picture
Explanation: Hope this help :D
<em><u>Amniotic</u></em><em><u> </u></em><em><u>fluid</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>fluid</u></em><em><u> </u></em><em><u>which</u></em><em><u> </u></em><em><u>surrounds</u></em><em><u> </u></em><em><u>fetus</u></em><em><u> </u></em><em><u>within</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>amnion</u></em><em><u>.</u></em>
<em><u>Hope</u></em><em><u> </u></em><em><u>this</u></em><em><u> </u></em><em><u>will</u></em><em><u> </u></em><em><u>help</u></em><em><u> </u></em><em><u>u</u></em><em><u>.</u></em>