Which of the following statements is incorrect

Options

A. The sediment-characteristics often determine the type of benthic animals that can thrive in aquatic habitat.
B. Soil pH, mineral composition and topography determine the type of animals which, in turn, dictates the type of plants can be supported in an area. `
C. The nature and properties of soil in different places it is dependent on the climate, the weathering proccss, ctc.
D. Soil composition, grain size and aggregation determine the percolation and water holding capacity of the soils.

Answer

To determine which statement is incorrect, we will analyze each option provided in the question step by step.

### Step-by-Step Solution:

1. **Evaluate the First Statement**:
- The statement discusses how sediment characteristics determine the type of benthic animals that can thrive in aquatic habitats.
- **Conclusion**: This statement is **true**. Sediment characteristics, such as grain size and composition, influence the types of organisms that can inhabit these areas.

2. **Evaluate the Second Statement**:
- This statement claims that soil pH, mineral composition, and topography determine the type of animals, which in turn affects the type of plants that can be supported in an area.
- **Conclusion**: This statement is **incorrect**. Soil pH and mineral composition primarily influence the types of plants that can grow in an area directly, rather than the animals determining the plants.

3. **Evaluate the Third Statement**:
- The statement mentions that the nature and properties of soil vary in different places and depend on climate and weathering processes.
- **Conclusion**: This statement is **true**. Soil properties are significantly influenced by climatic conditions and the processes of weathering.

4. **Evaluate the Fourth Statement**:
- This statement asserts that soil composition, grain size, and aggregation determine the percolation and water-holding capacity of the soil.
- **Conclusion**: This statement is **true**. The physical properties of soil directly affect how water moves through it and how much water it can retain.

### Final Conclusion:
The only incorrect statement among the options provided is the **second statement** regarding the relationship between soil characteristics, animals, and plants.