Elabora un esquema de un organismo desde el nivel biológico más pequeño: la célula. Por ejemplo, ¿cómo está organizado un perro?, ¿una araña? Puedes elegir el organismo que tú quieras.

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?

Which of the following are responsible for sending messages from the hypothalamus to the thalamus?