Members of Kingdom Animalia are

Options

A. Unicellular
B. Multicellular
C. Mostly unicellular, a few multicellular
D. Mostly multicellular, a few unicellular.

Answer

### Step-by-Step Solution:

1. **Understanding Kingdom Animalia**:
- Kingdom Animalia consists of a diverse range of organisms. It is essential to note that all members of this kingdom are multicellular organisms.

2. **Identifying Characteristics**:
- Members of Kingdom Animalia are characterized by being multicellular. This means they are made up of multiple cells that work together to form tissues and organs.

3. **Examples of Members**:
- The kingdom includes various phyla, with arthropods being one of the largest. For instance, insects such as cockroaches, beetles, and fireflies are all examples of multicellular organisms within this kingdom.

4. **Distinction from Other Kingdoms**:
- It is important to differentiate Kingdom Animalia from other kingdoms. For instance, unicellular organisms are primarily classified under the kingdom Protista, not Animalia.

5. **Conclusion**:
- Therefore, the members of Kingdom Animalia are exclusively multicellular organisms.

### Final Answer:
Members of Kingdom Animalia are multicellular organisms.

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