Probably because of history relation.
Answer: a form of symbiotic relationship: mutualism
Explanation:
Mutualism is a form of symbiotic relationship in which both organism benefit in the relationship. Other forms of symbiotic relationship includes parasitism and commensalism. An example of mutualism is the presence of the nitrogen fixing bacteria eg Rhizobia found in the root nodules of leguminous plants that fixes nitrogen which is utilized by the plant. While the plant in turn products carbon which is utilized by the bacteria and also provide an habits for the bacteria.
DOUBLE HELIX describes the structure of the DNA
Answer:because water is very polar
Explanation:
A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
