Acarology is study of

Options

A. Coral reefs
B. Ticks and mites.
C. Fossils
D. Ticks and mites.

Answer

**Step-by-Step Solution:**

1. **Understanding the Term**: The term "Acarology" is derived from Greek roots. The prefix "Acar-" refers to "mites" and "ticks".

2. **Defining Acarology**: Acarology is specifically the branch of zoology that studies mites and ticks.

3. **Identifying Related Terms**:
- The study of coral reefs is known as "coral ecology".
- The study of fossils is referred to as "paleontology".

4. **Analyzing the Options**:
- Option A (coral reef) is incorrect.
- Option B (ticks and mites) is correct.
- Option C (fossils) is incorrect.
- Option D (ticks and mites) is also correct.

5. **Conclusion**: Therefore, the correct answers are options B and D, as both refer to the study of mites and ticks.

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