Nitrogen Fixation. Good luck :)
ANSWER:
Needed to form cell membranes
I hope I was of help to you :)
Just took the quick check 100%!! Lets keep it 100.
1. B (Blood flows through a system of blood vessels and throughout the body)
2.C (I<span>n blood vessels and sinuses)
3.B (</span><span>Oysters do not move around, but squid are very active)
4.D (</span><span>It is difficult for single pump to force blood through the entire system of a large animal)
5.A (</span><span>Exchanging carbon dioxide for oxygen from the air)</span>
Hello,
To prevent pregnancy implanted progestins contained in porous silicone tubes are inserted under the skin.
Hope this helped,
j548831
