The order of these biological objects from least complex to more complex is R, Q, T, S (option A).
How are organisms arranged hierarchically?
Living organisms are made up of building blocks. The level of organization of life is the hierarchical arrangement of components that make up living organisms.
The hierarchical level of organization in the ascending order i.e. simplest to most complex is as follows:
- Organelles
- Cells
- Tissues
- Organs
- Organ systems
- Organisms
According to this question, these components are assigned letters/alphabets that are represented as follows:
- Q - cell
- R - organelle
- S - multicellular organism
- T - organ
Therefore, the order of these biological objects from least complex to more complex is R, Q, T, S.
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