Levels of Organization

What is the smallest unit of life?

• • Cell

• Tissue

• Organ System

• Community

What level comes after the cellular level in the biological hierarchy?

• Tissue

• Biosphere

• Population

• Ecosystem

What group of organs working together forms a larger functional system?

• Tissue

• Ecosystem

• Organ System

• Biosphere

What is the term for a group of different species living in the same area?

• Biosphere

• Community

• Population

• Cell

Which level involves interactions between living organisms and their environment?

• Tissue

• Population

• Biosphere

• Ecosystem

What level of organization involves the study of interactions within a species?

• Population

• Cell

What is the highest level of biological organization?

• Ecosystem

• Organ System

• Biosphere

• Tissue