Which type of spatial organization is characterized by a series of similar spaces linked by a distinct linear space?

Linear organization is characterized by a series of similar spaces that are connected by a distinct linear element or path. This type of spatial arrangement typically arranges spaces in a sequence along a line, allowing for a clear progression or movement through the environment. Such designs are often used in urban planning, architecture, and landscape design, encouraging movement and interaction along the linear path.

In contrast, circular organization tends to focus on arrangements that radiate outward from a central point, creating a more enclosed or centered feel. Radial organization similarly revolves around a central point but emphasizes multiple lines of movement leading outwards, often resulting in a more sprawling layout. Interlocking organization involves spaces that are nested within each other or that fit together in a unique way, which does not align with the concept of a linear connection.

Thus, linear organization distinctly defines spaces and movements in a straightforward sequence, making it the correct choice for this question.