NEET2026BiologyChapterActual
Select the correct match of the population interaction with its corresponding sign representation, where ' + ' indicates a beneficial interaction, ' - ' indicates a detrimental interaction, and ' 0 ' indicates a neutral interaction.
Options
- ACommensalism : (+, +)
- BAmensalism : (-, 0)
- CParasitism : (-, -)
- DCompetition : (-, 0)
Correct answer
B. Amensalism : (-, 0)
Step-by-step solution
Population interactions are represented by signs indicating the effect on each species. A beneficial interaction is denoted by + , a detrimental interaction by - , and a neutral interaction by 0 . Commensalism is an interaction where one species benefits and the other is neither harmed nor benefited, represented as (+, 0) . Amensalism is an interaction where one species is harmed and the other is unaffected, represented as (-, 0) . Parasitism is an interaction where one species benefits at the expense of the other,