Question

fill in the blank question
transport that occurs without a cell expending any of its own energy is called \boxed{} transport.

Explanation:

In cell biology, the movement of substances across a cell membrane can be classified based on energy usage. Passive transport is the type of transport where the cell does not need to expend its own energy (like ATP). This includes processes such as diffusion, osmosis, and facilitated diffusion, which rely on concentration gradients or other natural forces.

Answer:

passive