Levels of Organization in Living Things

Which of the following is the smallest unit of matter?

• Molecules

• Atoms

• Cells

• Tissues

Tags

NGSS.MS-PS1-1

Fill in the blank: Groups of organs working together form a ______.

• Tissue

• Cell

• Organ System

• Molecule

Tags

NGSS.MS-LS1-3

Which of the following correctly represents the order of biological organization in the human body?

• Atoms → Cells → Molecules → Tissues → Organs → Organ Systems → Organism

• Atoms → Molecules → Cells → Tissues → Organs → Organ Systems → Organism

• Molecules → Atoms → Cells → Tissues → Organ Systems → Organs → Organism

• Cells → Atoms → Molecules → Tissues → Organs → Organ Systems → Organism

Tags

NGSS.MS-LS1-3

Fill in the blank: In the pattern of organization of life, smaller units always build ______ units.

• Larger

• Smaller

• Equal

• Random

Tags

NGSS.MS-LS1-3

NGSS.MS-LS1-1

Label the levels of organization in the correct order.

a

b

c

d

e

organ system

tissue

organ

organism

cell

Tags

NGSS.MS-LS1-3

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Levels of organization from least complex to most complex

​ (a)   ​ (b)   ​ (c)   ​ ​ (d)   ​ (e)  

• CELL
• TISSUE
• ORGAN
• ORGAN SYSTEM
• ORGANISM

Tags

NGSS.MS-LS1-3

A group of tissues is a . . . (a)  

• Cell
• Tissue
• Organ
• Organ System
• Organism

Eyes, nose, and mouth would each be an example of a(n)

• organ system

• cell

• organ

• tissue

The ___________ is the basic unit of life

• organ
• cell
• atom
• tissue

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

A group of tissues that perform a similar function is called_____. (Examples include the heart, lungs, or stomach)

• cells

• tissues

• organs

• organ system