Term'Niche' was given by

Options

A. Odum
B. Grinnel
C. Tansley
D. R.Misra

Answer

### Step-by-Step Solution:

1. **Understanding the Term 'Niche':**
- The term 'niche' in ecology refers to the role or function of a species within an ecosystem, including its habitat, resource use, and interactions with other organisms.

2. **Historical Context:**
- The term was first introduced in the field of ecology to describe the specific conditions and ecological role that a species occupies in its environment.

3. **Identifying the Contributor:**
- The term 'niche' was first used by the naturalist Joseph Grinnell in 1917 during his research.

4. **Defining the Niche:**
- Joseph Grinnell defined the niche as the sum of habitat requirements and behaviors that allow a species to persist and reproduce.

5. **Conclusion:**
- Based on the historical context and definitions provided, the answer to the question "Who gave the term 'Niche'?" is Joseph Grinnell.

### Final Answer:
Joseph Grinnell

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