Answer:
a machine used for imitation
Explanation:
To simulate is similar to imitate. In the passage, the machine allows the turtles to move their legs as if they were swimming. It copies the conditions turtles need to swim.
Simulators can be mechanical, as in the example, but there are also virtual simulators which are used in all kind of experiments, training, and leisure. Think of videogames or flight simulators.
<span>These difficulties eventually resulted in the development of a transcontinental railroad. All the inventions and developments in the world are meant to make people's lives easier and comfortable, and this event is not an exception. In order to blur terrotorial boundaries the First Transcontinental Railroad was introduced to the US. It connected the eastern nad western parts of America.</span>
Industrialization is a transformation away from an agricultural- or resource-based economy, toward an economy based on mass manufacturing. Industrialization is usually associated with increases in total income and living standards in a society.
