The answer is atria; ventricles. The right atria receive blood from the superior vena cava that brings deoxygenated blood from systemic circulation. The right ventricle pumps blood via the pulmonary artery that takes blood to the lungs for oxygenation. The left atria receives oxygenated blood from the lungs. The left ventricle pumps the oxygenated blood to the systemic circulation via the aorta.
The correct answer is B. "DNA uses deoxyribose and RNA uses ribose."
I would think a biped cause that is what we call a 2 legged animal
Gene flow
If this is true, this would be an example of gene flow.
Gene flow is the movement of genetic materials or organisms from one population to another, thereby influencing the composition of the set of genes of the affected population. Gene flow usually occurs among humans through the relocation of human populations either willingly or not.
<span>B. They have continued to improve and are still used today.
The course of the Second World War gave rise to the technological advancements that are still being used today but now being improved.
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