7.12C Organization in Plants and Animals (Progress)

Sieve-tube cells and companion cells work together to transport sugar and nutrients inside plants. Together, sieve tube cells and companion cells form -

• a tissue.

• an organ.

• an organ system.

• an organism.

The smallest units of life in plants are -

• tissues.

• cells.

• organs.

• organ systems.

Tissues working together to perform specialized functions are called -

• an organ.

• an organism.

• a population.

• a cell.

Provided is a Level of Organization diagram. Which of the following terms would be the appropriate term for the level complexity, which is labeled X?

• Cell

• Organ

• Organism

• Tissue

The respiratory system is made up of the airways, lungs, and respiratory muscles. The lungs are classified as -

• cells.

• tissues.

• organs.

• organisms.

Xylem tissue transports water inside plants. Xylem tissue is made up of -

• cells

• organisms

• organs

• organ systems