The answer is A. brain
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Answer:
Las células de su cuerpo usan el oxígeno que respira para obtener energía de los alimentos que ingiere. Este proceso se llama respiración celular. Durante la respiración celular, la célula usa oxígeno para descomponer el azúcar. La descomposición del azúcar produce la energía que su cuerpo necesita.
Explanation:
Based on this diagram, the organism is classified based on some similarities. In the upper-division, the similarities should be more general in the lower division, the similarities will be more specific. It was mostly based on an organ, for example: vertebrate.
An organism with the same phylum could be put in a different order.
But the organism with the same order should have the same phylum and class too since the order is located below the phylum. Those similarities are tightly correlated with the evolutionary relationship.
Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology.
There are three main recognized branches of biology, which include botany, zoology, and microbiology.