The condensation of water vapor formed the early oceans. It is an important part of the water cycle. It is easy to eliminate the other answers in this question. It can't be meteorites, living organisms, or nitrogen.
The molecules that brings amino acids to the ribosomes are the tRNA molecules.
When a cell is not dividing, the DNA is loosely spread throughout the nucleus in a threadlike form called chromatin.
The answer to this question is "PERCEPTION". The term refers to the mental capacity that process of sorting out things, interpreting things mentally, analyzing things and conditions, and integrating stimuli from the sense organs and from the brain and later come up in a concrete and the sensible result after mental processing.
Answer:
Commensalism only occur among biotic factors
Explanation:
Abiotic factors are non-living factors that interacts with the biotic factor within an ecosystem. Commensalism is an association between two organisms in which one benefits and the other derives neither benefit nor harm.
From the above definition of commensalism, it is clear to note that it only involves two organisms rather than non-living organisms, hence; commensalism involves only biotic factors