D. Proteins are composed of amino acids and determines all the structures and functions of the organism.
2 then 1 then 3 you're welcome
answer: A. individual within the population acquire traits to adapt to the environment
The answer is the letter B. Electrical signals.
*Our brain and body communicates with each other by sending messages in the form of electrical signals.
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
