LevelsOfOrganization

Which of the following accurately describes the structural hierarchy in a human being in order of increasing complexity?

• Tissue, organ, cell, organism, organ system

• Organism, tissue, organ system, organ, cell

• Cell, tissue, organ, organ system, organism

• Organ, tissue, cell, organ system, organism

The illustration above shows an example of the levels of structural organization in living things.

Which of the following choices best completes the diagram?

• Organ system

• Human body

• Intestines

• Blood

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

The picture below shows an object found in nature.

Which level of organization is best represented by the object in the picture?

• Tissue, the highest level of organization

• Organism, the level of organization directly above organ system

• Organ, the lowest level of organization

• Organ system, the level of organization directly above tissue

The following picture shows a microscopic view of blood. Blood is made of different types of cells that work together.

Which of the following levels of organization best classifies blood?

• Cell

• Tissue

• Organ

• Organ System

Tags

NGSS.MS-LS1-1

A human heart is an example of

• Organ

• Tissue

• Cell

• Organism