Type of interaction where an individual sacrifices its own welfare (life) for the benefit of another animal of its own species is

Options

A. Altruism
B. Scavenging
C. Protocooperation
D. Commensalism

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a specific type of interaction in which an individual sacrifices its own welfare or life for the benefit of another animal of the same species.

2. **Identifying the Key Concept**: The key concept here is the behavior of one organism helping another at a cost to itself. This is a form of social behavior observed in certain species.

3. **Defining the Term**: The type of interaction described is known as "altruism." Altruism refers to selfless behavior where an individual acts to benefit another individual, often at a cost to itself.

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