Answer: A semi-permeable membrane is that which only allows certain
substances to pass through.
<span>Pyrolobus fumarii belongs to the kingdom of archaebacteria that is a thermophile which thrives at very high temperatures as much as 113 C. </span>It was first discovered in 1997 in a hydrothermal vent where the temperature is as high as that. It belongs to the p<span><span>hylum Crenarchaeota, c</span><span>lass Thermoprotei, </span><span>Order Desulfurococcales and </span><span>Family <span>Pyrodictiaceae. Answer is B. </span></span></span>
False. They form a V formation so that it will lower their heart rate and make it easier to go longer distances. And when they are in a V formation, it results in wind resistance.
I think BO or B, but BO has more chance.
