Which level of organization is best represented by the corn plant?
tissue, the highest level of organization
organ, the lowest level of organization
organism, the level of organization directly above organ system
organ system, the level of organization directly above tissue

The correct option is C. The level of organization  best represented by the corn plant is : organism, the level of organization directly above organ system  organ system

Explanation:

An organism can be described as a living thing made up of organ systems.

Plants are organisms that have levels of organizations similar to animals. Cells in plants make up tissues. There are mainly two types of tissues in plants: the meristematic tissue and non-meristematic tissue.

Just like animals, plants have organ systems. There are two kinds of organ systems mainly in plants: the shoot system and the root system. Hence, option C is the correct option.  

it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2