Life Science Body Organization

Identify the correct hierarchical organization of an organism

• Atoms, molecules, cells, tissues, organs, organ systems, organisms

• Organisms, atoms, molecules, cells, tissues, organs, organ systems

• Organ systems, organisms, atoms, molecules, cells, tissues, organs

• Organs, organ systems, organisms, atoms, molecules, cells, tissues

Structures in the human body work together to perform specific functions. The diagram below shows the organization of structures found in the human body.

A picture of which of the following structures belongs in the box above?

• Cell

• Organ

• Organelle

• Tissue

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Eugene drew the following diagram to describe the levels of structural organization of an animal’s body. At the top of the pyramid he put the animal’s body. The level of organization that is least specialized will be at the bottom.

Which of the following should Eugene list at the bottom of his diagram?

• Organ

• Tissue

• Cell

• Organ system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which term best fits the level of organization pictured in the diagram?

• Organ

• Tissue

• Single cell

• Organ system

Tags

NGSS.MS-LS1-3

The diagram shows parts of the human body. These parts work together to help you digest the food you eat.

Which term best describes the entire group of parts that are labeled?

• Organ

• Tissue

• Cell

• Organ system

Tags

NGSS.MS-LS1-3

In a human body, which of the following represents the highest level of structural organization?

• Lung tissue

• The lungs

• The respiratory system

• An atom in the lung

Tags

NGSS.MS-LS1-3

Which of these statements describes an organ system?

• Many cells working together to perform a function

• Many organs working together to perform a function

• Many cells working separately to perform different functions

• Many organs working separately to perform different functions

Cells exchange materials with their environment. What is the main reason for this?

• To replace damaged and dying cells

• To keep the cell membrane functioning

• To release energy into their environment

• To get rid of wastes and take in nutrients

Tags

NGSS.MS-LS1-2

Which of the following is something that all cells must be able to do to survive?

A. Divide

B. Use oxygen

C. Remove wastes

D. Make their own food

• A, B and C

• Only A

• Only D

• B and D

The survival of cells depends on maintaining homeostasis.

What will happen to a cell if homeostasis is not maintained?

• The cell will immediately divide.

• Many chemical reactions in the cell will slow down or even stop.

• The cell will eliminate wastes more efficiently.

• Cell processes will continue unchanged.

Tags

NGSS.HS-LS1-3