Biology I / What Is Life? The Chemistry of Living Things
Practice question · Put in order

Arrange these levels of biological organisation from smallest to largest.

Hints
  1. Start with the smallest chemical unit.
  2. A tissue is a group of similar cells working together.
Show the answer
  1. Atom
  2. Macromolecule
  3. Organelle
  4. Cell
  5. Tissue
  6. Organism
Why

Biology is organised hierarchically, and each level has properties the level below does not, a property biologists call emergence. The cell is the first level that is unambiguously alive.

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