The members of which of the following are litter decomposers?

Options

A. Deuteromycetes
B. Ascomycetes
C. Basidiomycetes
D. Phycomycetes

Answer

To determine which group of organisms includes litter decomposers, we will analyze the options provided in the question.

### Step-by-Step Solution:

1. **Identify the Groups**: The options given are:
- Deuteromycetes
- Ascomycetes
- Basidiomycetes
- Phycomycetes

2. **Understand Decomposers**: Decomposers are organisms that break down dead or decaying organic material, which is essential for nutrient cycling in ecosystems.

3. **Examine Deuteromycetes**:
- Deuteromycetes, also known as Imperfect Fungi, are a group of fungi that do not have a known sexual reproduction stage.
- They include many saprophytic fungi, which means they feed on dead or decaying matter.
- Most members of this group are known to be litter decomposers, playing a crucial role in the decomposition process and mineral cycling.

4. **Examine Other Groups**:
- **Ascomycetes**: While some Ascomycetes can be decomposers, they are not primarily known for litter decomposition.
- **Basidiomycetes**: This group includes some decomposers, but they are more commonly associated with wood decomposition rather than litter.
- **Phycomycetes**: This group includes some fungi that may not primarily function as decomposers.

5. **Conclusion**: Based on the analysis, the group that primarily consists of litter decomposers is **Deuteromycetes**.

### Final Answer:
The members of **Deuteromycetes** are litter decomposers.

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