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The relationship when one species is har...

The relationship when one species is harmed and other remain unaffected :

A

Amensalism

B

Predation

C

Symbiosis

D

Parasitism

Text Solution

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The correct Answer is:
To solve the question regarding the relationship where one species is harmed and the other remains unaffected, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Symbols**: - In ecological relationships, we use symbols to denote the effects on the organisms involved. A plus sign (+) indicates a benefit to one organism, a minus sign (-) indicates harm to one organism, and a zero (0) indicates that an organism is unaffected. 2. **Identify the Relationship**: - We need to find a relationship where one organism is harmed (indicated by -) and the other is unaffected (indicated by 0). 3. **Evaluate the Options**: - **Option 1: Emensalism**: This is a type of relationship where one organism is harmed while the other is unaffected. This fits our requirement perfectly (harm - and unaffected 0). - **Option 2: Predation**: In predation, one organism (the predator) benefits (+) by eating another organism (the prey), which is harmed (-). This does not fit our requirement. - **Option 3: Symbiosis**: In symbiosis, both organisms benefit from the relationship (+ and +), which does not match our criteria. - **Option 4: Parasitism**: In parasitism, one organism (the parasite) benefits (+) at the expense of the other (the host), which is harmed (-). This also does not fit our requirement. 4. **Conclusion**: - Based on the analysis, the correct answer is **Option 1: Emensalism**, as it describes the relationship where one species is harmed and the other remains unaffected. ### Final Answer: The relationship when one species is harmed and the other remains unaffected is called **Emensalism**. ---
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