Final answer:
Machines can have different forms, including humanoid shapes, but they differ from humans in appearance due to various physical characteristics.
Step-by-step explanation:
Robots can come in various shapes and sizes, from humanoid types to animal-like shapes or even small cubes that can assemble themselves. Some robots may resemble humans in appearance, with a head, trunk, and limbs, while others may have different features. However, it's important to note that machines and humans differ in many aspects, such as skin texture, facial features, and overall complexity.