DOL_BIO_Levels of Organization

 Which sequence represents the level of organization found in a multicellular organism, from smallest to largest?

• 1. Cell→ Tissue→ Organ→ Organ System

• Organ System→ Organ→ Tissue→ Cell

• 1. Tissue→ Organ→ Organ System→ Cell

• 1. Cell→ Organ System→ Organ→ Tissue

  
  

 Which of the following functions at the same organizational level as the kidney in the human     excretory system?

• 3. Skeleton

• 1. Epithelial tissue

• 1. Urinary bladder

• 1. A squamous cell

 The human body is composed of organ systems. Which list represents a system organized from least to most complex?

• 1. Heart→

  2. Cardiac muscle→ Muscle tissue→

  3. Muscle cell

• Lung Tissue→  Trachea→  Nostrils→  Circulatory system

• 1. Muscle cell→

  2. Muscle tissue→

  3. Biceps muscle→ Muscular system

• 1. Integumentary system→ Skin cell→ Hair→ Sweat glands

The images below show examples of different levels of organization in the human body system.

Label each box with the correct  level of organization. Choices may be used once or not at all.

Choices: Cells , Tissue, Organ, Organ system, Organism

• Organism

• 
• Tissue

• 
• Cells

• 
• Organ

• 

Explain the importance of biological systems and how different levels of organization contribute to the functioning of living organisms. Justify your answer with examples.