WordUpWordup

Commensalism

usgb/kəˈmensəlɪzəm/Volume
Left Definition 1 of 1Right
LampPro Tip 1/3
Not MutualismPlay
Distinguish 'commensalism' from 'mutualism', where both species benefit. SlideThough often confused, commensalism is not mutualism as only one organism benefits.
LampPro Tip 2/3
One-way BenefitPlay
The word emphasizes the one-sided benefit without any harm to the other party. SlideCommensalism offers a one-way benefit, such as a remora fish riding on a shark.
LampPro Tip 3/3
No Negative ImpactPlay
Understand that 'harm' implies negative impact, which does not occur in commensalism. SlideThe whale isn't affected by the barnacles' presence; it's commensalism.