Levels of Organization, Cells, Homeostasis

The diagram to the right represents levels of organization in living things. Which term would best represent X?

• Human
• Tissue
• Stomach
• Organelle

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

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 is not shared by a bacterium and a plant?

• Tissue
• Molecule
• Organelle
• Cell

Human bodies have complex structures that respond to the environment to maintain homeostasis.  Which of these is the most basic structure that supports growth and survival?

• A Cell
• A Tissue
• An Organ
• An Organ System

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Blood is considered a tissue because blood - 

• flows inside arteries and veins
• is necessary to carry oxygen and nutrients to the cells
• is pumped from the heart and is carried to the cells through arteries
• is composed of red and white blood cells working together and having specific functions

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Which sequence shows a decreasing level of complexity?

• organs → organism → cells → tissues
• organism → cells → organ → tissues
• cells → tissues → organs → organism
• organism → organs → tissues → cells

Which of the following levels of organization correctly fills the gap in the diagram above?

• Organelle
• Cell
• Tissue
• Organism

Tags

NGSS.MS-LS1-3

The respiratory system includes a layer of cells in the air passages that clean the air before it gets to the lungs.  This layer of cells is best classified as

• A Tissue
• An Organelle
• An Organ
• An Organ System

Tissues become the functional units that make up —

• Enzymes
• Organs
• Other Cells
• DNA

Tags

NGSS.MS-LS1-3

What is the simplest level of organization classified as living?

• cell

• tissue

• organ

• organ system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2