G7 Biological Levels of Organization

What is a cell?

• the basic unit of life

• a group of tissues working together to perform a function

• the largest level of biological organization

The skin is an example of what level of biological organization?

• cell

• organ

• tissue

• organism

Justin has learned that the brain, spinal cord, and peripheral nerves work together. What do they combine to form?

• a cell

• organ

• tissue

• organ system

Which of the following is the correct order of organization in living things from the most basic (simple) to the most complex?

• Organism, cell, tissue,organ, organ system

• Organ system, organ, cell, organism, tissue

• cell, organ, tissue, organ system, organism

• cell, tissue, organ, organ system, organism

What is the difference between a cell and a tissue?

• cell is basic unit of life; tissue is group of cells that work as one

• cell is basic unit of life; tissue is groups of different cells

• cell is group of tissues; tissue is basic unit of life

• cell is group of organs; tissue is group of different cells

The smallest units of life in plants are –

• 
• 
• 
• 

Tissues working together to perform specialized functions are called -

• an organ.

• an organism.

• a population.

• a cell.

In the sequence from simplest to most complex level of organization, which level is 1 level more complex than cells?

• Cells

• Tissues

• Organ Systems

• Organisms

The respiratory system is made up of airways, lungs, & respiratory muscles. Lungs are classified as –

• cells.

• tissues.

• organs.

• organisms.

Xylem tissue transports water inside plants. Xylem tissue is made up of –

• cells.

• organisms.

• organs.

• organ systems.