Acarology is study of

Options

A. Coral reefs
B. Mollusca
C. Fossils
D. Ticks and Mites.

Answer

**Step-by-Step Solution:**

1. **Understanding the Term "Acarology":** Acarology is a branch of zoology that specifically focuses on the study of arachnids, particularly ticks and mites.

2. **Analyzing the Options:**
- **Option 1: Coral Reefs** - The study related to coral reefs is known as coral ecology, which is not related to acarology.
- **Option 2: Mollusca** - The study of mollusks is referred to as malacology, which again does not pertain to acarology.
- **Option 3: Fossils** - The study of fossils is called paleontology, which is unrelated to acarology.
- **Option 4: Ticks and Mites** - This option correctly identifies that acarology is the study of ticks and mites.

3. **Conclusion:** After evaluating all the options, the correct answer is option four, which states that acarology is the study of ticks and mites.

**Final Answer:** Acarology is the study of ticks and mites.

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