The roots of a plant help to anchor the plant to the soil, and are also used for food storage and water extraction. Roots are made up of tissues, such as xylem, phloem, and pith. In which level of organization would the root of a plant most likely be classified?
Cell
Organ system
Tissue
Organ
The root of a plant would most likely be classified at the organ level of organization.
In humans, the heart is an organ that pumps blood through blood vessels. The combination of the heart and blood vessels is classified as -
*
10 points
a tissue
an organ
an organ system
an organism