Answer: a good relationship
Explanation:
Ruminant is the captain.
Microbial symbionts is the members
They are also brothers
Adaptive immunity.
When antibodies are produced by lymphocytes, the body is conducting adaptive immunity.
Adaptive immunity is the body's way of identifying the presence of an antigen, recognizing what type of antigen it is, and producing antibodies that are specifically designed to attacked the said antigen.
Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. ... By maintaining healthy kelp forests, sea otters also indirectly help to reduce levels of atmospheric carbon dioxide, a prevalent greenhouse gas, as kelp absorbs and sequesters carbon
Ribosomes consist of two major components: the small ribosomal subunits, which read the RNA, and the large subunits, which join amino acids to form a polypeptide chain.
You can read more about it on wikipedia. Hope I helped!! :)
Carry blood away from the lungs - it's the only artery that brings blood into the heart instead of away.