The term coelenterate was coined by

Options

A. Linnaeus
B. Leuckart
C. Clark
D. Grant.

Answer

**Step-by-Step Solution:**

1. **Understanding the Term "Coelenterate":**
- The term "coelenterate" refers to a group of animals that includes cnidarians (like jellyfish, corals, and sea anemones) and ctenophores (comb jellies). This term is used in biological classification.

2. **Analyzing the Options:**
- The question provides four options: Linnaeus, Leucard, Clarke, and Grant. We need to determine who coined the term "coelenterate."

3. **Evaluating Each Option:**
- **Linnaeus:** Known as the father of modern taxonomy, he developed the binomial nomenclature system but did not coin the term "coelenterate." Therefore, this option is incorrect.
- **Leucard:** He is identified as the zoologist who first coined the term "coelenterate." This option appears to be correct.
- **Clarke:** His work primarily focused on fish research, and he did not coin the term "coelenterate." Thus, this option is incorrect.
- **Grant:** He contributed to evolutionary biology but did not coin the term "coelenterate." Hence, this option is also incorrect.

4. **Conclusion:**
- After evaluating all the options, the correct answer is Leucard, as he was the one who coined the term "coelenterate."

**Final Answer:**
The term "coelenterate" was coined by Leucard.

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