Levels of Biological Organization

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Which of the following correctly describes the biological organization from smallest to largest?

Atoms, molecules, cells, tissues, organs

What is the fundamental unit of structure and function in living organisms?


Why are viruses not considered living organisms?

Because they are not made of cells

What are macromolecules typically formed by combining?


What is the function of organelles in cells?

Carry out specialized functions

Which type of organisms lack organelles surrounded by a membrane and nuclei?


What defines a population in biology?

Members of the same species occupying the same place at the same time

Which level of biological organization includes the living and nonliving components of an area?


What is the biosphere defined as in biology?

The part of the planet that can support life

In a forest ecosystem, what forms the community?

All the populations present in the forest

Explore the hierarchical levels of organization in living things, from atoms to molecules, organelles, cells, tissues, and organs. Understand how these structures work together in multicellular organisms.

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