Explanation:
moving away from shaded environment
Thank you for posting your question here at brainly. I hope the answer will help you. <span>Some blood is routed to skeletal muscles so it can be warmed by shivering, but most blood is shunted to the internal organs. The brain takes priority when it comes to sharing blood.</span>
Cancer is not a virus.
<span>Viruses replicate using the host cell RNA. </span>
<span>With some viruses this may lead to an increased risk of certain cancers.</span>
D) to move molecules across the membrane against a gradient
Unlike the younger Earth, we have a thick atmosphere full of millions of chemicals that keep the oxygen we breath in, and protects us from space junk from colliding with us. Also, the earth we know today isn't insanely hot. The younger Earth had a surface temperature that was not possible for sustaining life. But now, it's just right!
Also, we have vast salty oceans. The younger Earth had a kind of ocean, but these were made of molten metals and other rocks.
I hope this helps!! :)