Answer:
Together
Explanation:
All of the organisms need each other to survive, all of the natural cycles are necessary to keep the Earth in balance.
Is it multiple choice? I believe it's brain, but I could be wrong.
The viral capsid and envelope <span>plays a role in attaching a virion to the host cell.</span>
The mutation is a change in just one nucleotide in the gene for hemogloblin.
