Levels of Biological Organization

The video tutorial explains the levels of organization of matter, starting from subatomic particles and progressing to the biosphere. It covers the formation of atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, species, populations, communities, ecosystems, and finally the biosphere. The tutorial emphasizes the hierarchical nature of these levels, illustrating how each level builds upon the previous one, from microscopic to macroscopic scales.

What is the smallest level of organization in matter?

• Subatomic particles

• Atoms

• Molecules

• Cells

What do subatomic particles combine to form?

• Molecules

• Atoms

• Tissues

• Cells

What is formed when two or more atoms bond together?

• Tissues

• Molecules

• Organelles

• Cells

What do molecules build up to form within a cell?

• Subatomic particles

• Tissues

• Organelles

• Atoms

What is the basic unit of life?

• Organ

• Tissue

• Cell

• Molecule

What do groups of cells form?

• Organelles

• Organs

• Molecules

• Tissues

What do tissues combine to create?

• Organs

• Molecules

• Organ systems

• Cells

What is formed by a group of organs working together?

• Tissues

• Organ systems

• Molecules

• Cells

What is the next level of organization after a multicellular organism?

• Ecosystem

• Community

• Population

• Species

What is a community and its environment called?

• Species

• Ecosystem

• Population

• Biosphere