What is the hierarchy
of living things

The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.

Organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and biosphere are the biological stages of organization of living things, organized from the simplest to the most complex.

Explanation:

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condenser is used to focus in the light microscope.