Levels of Organization Worksheet or Practice

What level of organization encompasses an entire, complete living thing?

• Organ system

• Organism

• Organelle

• Organ

Tags

NGSS.MS-LS1-5

What level of organization is made up of a group of specialized cells working towards a common objective?

• organ

• tissue

• organ system

• cell

Tags

NGSS.MS-LS1-3

What is the simplest level of organization that can be classified as living?

• tissue

• molecule

• cell

• organ

Tags

NGSS.MS-LS1-1

What level of organization is composed of tissues working together to serve a common function?

• organ

• cell

• organism

• organ system

What level of organization is composed of a group of organs working together to complete a complex task?

• cell

• organ system

• organelle

• tissue

Which of the following levels of organization would accurately fill the gap in the diagram above?

Molecules -> Organelles -> ___________ -> Tissues

• organ

• organism

• organ system

• cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following answer choices would be considered the simplest?

• organ

• organism

• organ system

• organelle

Which of the following answer choices would be considered the most complex?

• cell

• tissue

• organelle

• organ

Tags

NGSS.MS-LS1-3

Which of the following levels of organization lists the levels in order from the smallest level to the largest level?

• cell, organ, organism, tissue

• cell, organism, tissue, organ system

• cell, tissue, organ, organ system

• cell, tissue, organism, organ

Which of the following answer choices would be considered the smallest?

• organelle

• cell

• molecule

• tissue