Ten percent law of energy transfer in a food chain was enunciated by

Options

A. Elton
B. Lindeman
C. Haeckel
D. Schimper

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks about the origin of the "10% law of energy transfer" in a food chain.

2. **List the Options**: The options provided are:
- A) Alton
- B) Lindman
- C) Heckel
- D) Schimper

3. **Recall the Concept**: The "10% law of energy transfer" refers to the principle that when energy is transferred from one trophic level to the next in a food chain, only about 10% of the energy is passed on to the next level, while the remaining 90% is used by the organism for metabolic processes or lost as heat.

4. **Identify the Correct Answer**: The law was proposed by Lindman in 1942. Therefore, the correct answer is option B) Lindman.

5. **Eliminate Other Options**:
- A) Alton is known for the concept of the key industry of animals, particularly herbivores.
- C) Heckel is associated with the species concept.
- D) Schimper is known for the interconnectedness of ecosystems.

6. **Conclude the Answer**: The 10% law of energy transfer in a food chain was enunciated by Lindman.

**Final Answer**: B) Lindman

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