Answer:
The composition of sedimentary rocks and living organisms is fundamentally different due to their nature and origin:
1. **Sedimentary Rocks**:
- Sedimentary rocks are formed through the accumulation and compression of sediment layers over time.
- The composition of sedimentary rocks primarily consists of minerals, fragments of other rocks, organic matter, and sometimes fossils.
- These rocks are composed of inorganic materials and do not contain living cells or organic molecules that are characteristic of living organisms.
- Sedimentary rocks typically contain minerals such as quartz, feldspar, calcite, and clay minerals, depending on the type of sediment and environmental conditions during their formation.
2. **Living Organisms**:
- Living organisms are made up of cells, which are the basic structural and functional units of life.
- The composition of cells includes organic molecules such as proteins, lipids, carbohydrates, nucleic acids, and various ions and molecules necessary for cellular processes.
- Living organisms are characterized by the presence of cellular structures, organelles, and biochemical pathways that enable them to carry out life processes such as growth, reproduction, metabolism, and response to stimuli.
- Unlike sedimentary rocks, living organisms are composed of organic materials and exhibit complex biological functions and behaviors.
In summary, while sedimentary rocks are composed of inorganic materials and formed through geological processes, living organisms are composed of organic materials and exhibit complex cellular structures and functions necessary for life.