Describe the levels of organization
amongst living things

Levels of Organization
The living world can be organized into different levels. For example, many individual organisms can be organized into the following levels:

Cell: Basic unit of structure and function of all living things.
Tissue: Group of cells of the same kind.
Organ: Structure composed of one or more types of tissues. The tissues of an organ work together to perfume a specific function. Human organs include the brain, stomach, kidney, and liver. Plant organs include roots, stems, and leaves.
Organ system: Group of organs that work together to perform a certain function. Examples of organ systems in a human include the skeletal, nervous, and reproductive systems.
Organism: Individual living thing that may be made up of one or more organ systems.

-Found from Safari-
Tbh idk if this is right

Hydrosphere is the correct answer

The correct answer would be b