This means that a single carbon atom can form up to tetravalent bonds with other atoms
I think the relationship is Commensalism ( relationship between two organisms in which one benefits and the other does not benefit nor is harmed ) because the bird benefits and the cow does not benefit nor is harmed. Hope this helped ☺
Answer:
<h2>an organism in which both copies of a given gene have the same allel is homozygous. </h2>
