LEVELS OF BIOLOGICAL ORGANIZATION (POST-TEST)

What is the correct order of biological levels of organization, from the simplest to complex?

• Biosphere, Ecosystem, Community, Population, Organism, Organ System, Organ, Tissue, Cell

• Cell, Tissue, Organ, Organ System, Organism, Population, Community, Ecosystem, Biosphere

• Cell, Tissue, Organ, Organism, Organ System, Population, Community, Ecosystem, Biosphere

• Cell, Tissue, Organ, Organ System, Organism, Community, Population, Biosphere

Consists of all the individuals of species living within the bounds of a specified area.

• Community

• Population

• Ecosystem

• Biosphere

What is the largest and the most complex level of biological organization?

• Cell

• Organism

• Biosphere

• Organ System

Which of the following is the smallest unit of life found in any ecosystem on Earth?

• Atom

• Organelle

• Molecule

• Cell

A leaf, the heart and the brain are examples of what level of biological organization?

• Organ

• Tissue

• Organism

• Organ System