I believe the term for an observable trait of an organism would be called or noted as the organism's phenotype.
Answer:
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Answer:atom
Explanation:because it is defined as the smallest form of any given elemental item
The seven continents and the oceanic plates
The heart and the arteries of a person, both contracts to pump the blood throughout the body. The aorta, which is the largest artery of the human body, pumps the blood from the heart to the entire body of a person. The oxygen-rich blood is pumped out of the left ventricle when its contraction into the aorta, from where it is transported to the whole body.
Hence, the given statement is true.