This embryonic development presents a fundamental problem of biological organization.

Other examples from various levels of biological organization can be found in.

Species - This is the most basic unit of biological organization.

The whole, according to Rosen, could not be recaptured once the biological organization had been destroyed.

She uses mathematical analysis to reveal principles of biological organization.

The overall goal is to identify how genes regulate multiple levels of biological organization.

He believes that cooperation exists at every level of biological organization, and is as ancient as life itself.

Biopollution may cause adverse effects at several levels of biological organization:

This is true at every level of biological organization and increasingly so the more abstract such order becomes within living systems.

One textbook's definition is "variation of life at all levels of biological organization".