Levels of Organization in Living Organisms

The video tutorial explains the levels of organization in living organisms, starting with cells, the basic units of life. It distinguishes between unicellular and multicellular organisms, highlighting the complexity of the latter. The tutorial outlines the five levels of organization: cell, tissue, organ, organ system, and organism, providing examples and explaining their functions. It concludes by emphasizing that despite variations in size and shape, all multicellular organisms share the same organizational structure.

What is the term for organisms that consist of only one cell?

• Bicellular organisms

• Tricellular organisms

• Unicellular organisms

• Multicellular organisms

Which of the following is an example of a multicellular organism?

• Bacteria

• Amoeba

• Yeast

• Human beings

How many levels of organization are there in multicellular organisms?

• Three

• Four

• Five

• Six

What is the smallest functional unit of an organism?

• Tissue

• Organ

• Cell

• Organ system

What do similar types of cells group together to form?

• Organism

• Organ

• Tissue

• Organ system

Which organ is responsible for churning food and partial digestion?

• Intestine

• Stomach

• Pancreas

• Liver

What is formed by a group of organs working together to perform a life process?

• Cell

• Organ

• Organ system

• Tissue

Which of the following is part of the digestive system?

• Heart

• Lungs

• Kidney

• Esophagus

What is the highest level of organization in multicellular organisms?

• Tissue

• Organ

• Cell

• Organism