Population Interactions

Step 1: Understanding the Concept:
The question asks to identify population interactions with a (+/-) relationship, where one species benefits (+) and the other is harmed (-).

Step 3: Detailed Explanation:
Let's analyze the interactions:
$%5Cbegin%7Barray%7D%7Brl%7D%20%5Cbullet%20%26%20%5Ctext%7B(A)%20Competition%20(-%2F-)%3A%20Both%20species%20are%20harmed%20as%20they%20compete%20for%20the%20same%20limited%20resources.%7D%20%5C%5C%20%5Cbullet%20%26%20%5Ctext%7B(B)%20Parasitism%20(%2B%2F-)%3A%20The%20parasite%20benefits%20by%20deriving%20nutrients%20from%20the%20host%2C%20which%20is%20harmed%20in%20the%20process.%7D%20%5C%5C%20%5Cbullet%20%26%20%5Ctext%7B(C)%20Amensalism%20(-%2F0)%3A%20One%20species%20is%20harmed%20while%20the%20other%20is%20unaffected.%20For%20example%2C%20a%20large%20tree%20shading%20a%20small%20plant.%7D%20%5C%5C%20%5Cbullet%20%26%20%5Ctext%7B(D)%20Predation%20(%2B%2F-)%3A%20The%20predator%20benefits%20by%20capturing%20and%20consuming%20the%20prey%2C%20which%20is%20harmed%20(killed).%7D%20%5C%5C%20%5Cend%7Barray%7D$ Based on this analysis, Parasitism and Predation are the two interactions where one species benefits and the other is harmed.

Step 4: Final Answer:
The correct interactions are (B) Parasitism and (D) Predation only.

High-Yield Trend

Chapter Questions
1 MCQs

Official Solution

Population Interactions

High-Yield Trend

Chapter Questions 1 MCQs

Official Solution

Chapter Questions
1 MCQs