The correct answer is option B, that is, the sympathetic system prepares the body for stress and activity and the parasympathetic system prepares the body for rest.
Both the parasympathetic and sympathetic nervous system are the components of the autonomic nervous system that works obligatorily. The sympathetic nervous system holds the key in controlling the body at the time of stress and injury, it is generally regarded as fight or flight. It contracts the muscles of the heart in order to enhance the rate of the heart.
On the other hand, the parasympathetic nervous system is responsible to monitor the function of the body when it is at rest. It assists in sustaining the homeostasis in the body. It relaxes the muscles of the heart in order to reduce the rate of the heart.
In a eukaryotic cell, the ribosomes are found in the nucleus but since a prokaryotic cell doesn't have a nucleus, the ribosomes are floating freely in the cytoplasm. Hope this helped :)
Answer:
Os minúsculos animais desenvolveram uma variedade de especializações e inovações evolutivas, tornando-os hábeis em tirar proveito de uma variedade de nichos de ecossistemas. Suas formas dentárias permitiram o processamento de novos alimentos e seus padrões de crescimento melhoraram a sobrevivência de seus filhotes. Os primeiros mamíferos vieram escalar, planar, nadar.
