Question

Highlight the differences and a similarity between the following population interactions: competition, predation and commensalism.

Answer 1

Competition	Predation	Commensalism
1. In this type of interaction boththe species suffer.	1. In this type of interaction the predator kills and consumes the prey	1. In this type of interaction one species is benefited and the other is neither harmed nor benefited.
2. It occurs due to limited resources between closely related species.	2. It is the nature’s way of transferring energy to higher trophic level.	2. It is not particularly for any gain of energy or resources.
3. For e.g., In American lakes visiting flamingos and resident fish.	3. For e.g., tiger (predator) and deer (prey).	3. For e.g., sucker fish andshark.

Similarity: All these interactions leads to evolution as the fittest organism survives.